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ADVANTAGES, DISADVANTAGES AND APPLICATIONS OF ROTAMETER There are some advantages of rotameter which are given below. The cost of rotameter is low. It provides linear scale. It has good accuracy for low and medium flow rates. The pressure loss is nearly constant and small. Usability for corrosive fluid. CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. MOISTURE CONTENT AND MOISTURE REGAIN Moisture Content (M) = Weight of Water / Total weight of material x 100. Moisture Regain (R): It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material. Moisture Regain (R) = Weight of Water / Oven dry weight of the material x 100. The temperature of the oven dryer should be 105*± 3*c.
ADVANTAGES, DISADVANTAGES AND APPLICATIONS OF FREQUENCY Advantages: There are some advantages of frequency division multiplexing(FDM) which are given below, . It does not need synchronization between its transmitter and receiver. Frequency division multiplexing (FDM) is simpler and easy demodulation. Due to ADVANTAGES AND DISADVANTAGES OF RTD (RESISTANCE Advantages: There are some advantages of RTD (resistance temperature detector) which are given below,. The RTD can be easily installed and replaced. It is available in wide range. The RTD can be used to measure differential temperature. HOW PRESSURE IS MEASURED USING LVDT? The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows the output of bourdon tube act as a secondary transducer. The bourdon tube senses the pressure and converts it into a displacement. The free end of bourdon tube shows this displacement. WHAT IS EXTREME PRESSURE LUBRICATION What is extreme pressure lubrication. When the moving or sliding surfaces are under very high pressure and speed, excessive frictional heat will be generated. The high local temperature thus produced at the surfaces, the lubricant fails to stick or get vaporized. To meet these extra high-temperature high-temperature conditions, special VELOCITY RATIO OF MACHINE (FORMULA) Define velocity ratio of a machine and how it is determined – The velocity ratio (V.R.) of a machine is the ratio of distance moved by the effort to distance moved by the load. ADVANTAGES AND DISADVANTAGES OF TRIAC There are some advantages of TRIAC which are given below, The TRIAC need single fuse for protection. It can be triggered with positive or negative polarities of gate pulses. A safe breakdown in either direction is possible but for SCR protection should be given with parallel diode. It needs only a single heat sink of slightly largersize where
ADVANTAGES, DISADVANTAGES AND APPLICATIONS OF ROTAMETER There are some advantages of rotameter which are given below. The cost of rotameter is low. It provides linear scale. It has good accuracy for low and medium flow rates. The pressure loss is nearly constant and small. Usability for corrosive fluid. CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. MOISTURE CONTENT AND MOISTURE REGAIN Moisture Content (M) = Weight of Water / Total weight of material x 100. Moisture Regain (R): It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material. Moisture Regain (R) = Weight of Water / Oven dry weight of the material x 100. The temperature of the oven dryer should be 105*± 3*c.
ADVANTAGES, DISADVANTAGES AND APPLICATIONS OF FREQUENCY Advantages: There are some advantages of frequency division multiplexing(FDM) which are given below, . It does not need synchronization between its transmitter and receiver. Frequency division multiplexing (FDM) is simpler and easy demodulation. Due to ADVANTAGES AND DISADVANTAGES OF RTD (RESISTANCE Advantages: There are some advantages of RTD (resistance temperature detector) which are given below,. The RTD can be easily installed and replaced. It is available in wide range. The RTD can be used to measure differential temperature. HOW PRESSURE IS MEASURED USING LVDT? The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows the output of bourdon tube act as a secondary transducer. The bourdon tube senses the pressure and converts it into a displacement. The free end of bourdon tube shows this displacement. WHAT IS EXTREME PRESSURE LUBRICATION What is extreme pressure lubrication. When the moving or sliding surfaces are under very high pressure and speed, excessive frictional heat will be generated. The high local temperature thus produced at the surfaces, the lubricant fails to stick or get vaporized. To meet these extra high-temperature high-temperature conditions, special VELOCITY RATIO OF MACHINE (FORMULA) Define velocity ratio of a machine and how it is determined – The velocity ratio (V.R.) of a machine is the ratio of distance moved by the effort to distance moved by the load. APPLICATIONS OF UNIJUNCTION TRANSISTOR (UJT) There are some application of unijunction transistor (UJT) are,. The unijunction transistor (UJT) used as relaxation oscillator. It is used as voltage detector. The UJT is used for switching.; It is widely used as triggering device for silicon control rectifier (SCR) and TRIAC. HOW PRESSURE IS MEASURED USING LVDT? The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows the output of bourdon tube act as a secondary transducer. The bourdon tube senses the pressure and converts it into a displacement. The free end of bourdon tube shows this displacement. CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. WHAT IS EXTREME PRESSURE LUBRICATION What is extreme pressure lubrication. When the moving or sliding surfaces are under very high pressure and speed, excessive frictional heat will be generated. The high local temperature thus produced at the surfaces, the lubricant fails to stick or get vaporized. To meet these extra high-temperature high-temperature conditions, special ADVANTAGES AND DISADVANTAGES OF GEARS Advantages and disadvantages of gears. By using gear trains, large velocity ratio can be obtained with minimum space. Gears are mechanically strong, so higher loads can be lifted. Gears are used for transmission of large H.F. They are used for transmitting motion over small centre distance of shafts. They are used for large reduction inspeed
ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. HOW IS ULTIMATE ANALYSIS OF COAL CARRIED OUT IN THE Ash. Ash is determined by the heating known quantity of coal in a furnace at 400 0 C for 1half hours and finally at 750 0 C for 1 hour to complete the combustion. Heating, cooling and weighing are done till constant weight is obtained. Oxygen. Oxygen is determined by the difference as follows –. % Oxygen = 100 – ( % Carbon + % Hydrogen ADVANTAGES AND DISADVANTAGES OF DIGITAL MULTIMETER Following are the advantages of digital multimeter : They are having high input impendence, So there is no loading effect. They are having higher accuracy. An unambiguous reading is obtained. The output can be interfaced with external equipment. They are available in smaller sizes. It can be used for measurement of A.C. and D.C. both quantity. ADVANTAGES AND DISADVANTAGES AND APPLICATIONS OF TIME Advantages: There are some advantages of time division multiplexing which are given below,. Time division multiplexing systems are more flexible than frequency division multiplexing.; Time division multiplexing circuitry is not complex. Problem of cross talk is not severe. Full available channel bandwidth can be utilized for eachchannel.
DIFFERENCE BETWEEN SCR AND TRIAC SCR stands for silicon controlled rectifier. TRIAC stands for triode for alternating current. The SCR is unidirectional device. The TRIAC is bidirectional device. It available in large ratings. It available in smaller ratings. The SCR control DC power. The TRIAC control DC as well as AC power. The SCR can be triggered by positive gate voltageonly.
ADVANTAGES AND DISADVANTAGES OF TRIAC There are some advantages of TRIAC which are given below, The TRIAC need single fuse for protection. It can be triggered with positive or negative polarities of gate pulses. A safe breakdown in either direction is possible but for SCR protection should be given with parallel diode. It needs only a single heat sink of slightly largersize where
ADVANTAGES, DISADVANTAGES AND APPLICATIONS OF ROTAMETER There are some advantages of rotameter which are given below. The cost of rotameter is low. It provides linear scale. It has good accuracy for low and medium flow rates. The pressure loss is nearly constant and small. Usability for corrosive fluid. CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. WHAT IS BUILDING LINE AND CONTROL LINE Building line. Building line refers to the front line up to which the building can lawfully extend. it is also called as set- back or font building line. a minimum distance of this building line from the center line of the accompanying road is laid down as the limit beyond which no construction is allowed towards the road. Building line. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. MOISTURE CONTENT AND MOISTURE REGAIN Moisture Content (M) = Weight of Water / Total weight of material x 100. Moisture Regain (R): It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material. Moisture Regain (R) = Weight of Water / Oven dry weight of the material x 100. The temperature of the oven dryer should be 105*± 3*c.
WHAT IS EXTREME PRESSURE LUBRICATION What is extreme pressure lubrication. When the moving or sliding surfaces are under very high pressure and speed, excessive frictional heat will be generated. The high local temperature thus produced at the surfaces, the lubricant fails to stick or get vaporized. To meet these extra high-temperature high-temperature conditions, special HOW PRESSURE IS MEASURED USING LVDT? The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows the output of bourdon tube act as a secondary transducer. The bourdon tube senses the pressure and converts it into a displacement. The free end of bourdon tube shows this displacement. MICROPROCESSOR BASED OVERCURRENT RELAY Microprocessor Based Overcurrent Relay. Current is taken from C.T. and given to I to V converter because many electronics circuit require voltage signal for operation. The A.C. voltage is converted into D.C. voltage by using rectifier. This D.C. voltage is proportional to load current only. The output of rectifier is given to Multiplexer. DIFFERENCE BETWEEN RESULTANT AND EQUILIBRANTS Definition: An equilibrant of number of forces acting on a body is a single force which cancels the effect of resultant of a system of forces or which brings the system and the body is equilibrium. 2. Resultant (net) force causes the displacement of a body (i.e. body moves). Equilibrant keeps the body at rest (i.e. in equilibrium). ADVANTAGES AND DISADVANTAGES OF TRIAC There are some advantages of TRIAC which are given below, The TRIAC need single fuse for protection. It can be triggered with positive or negative polarities of gate pulses. A safe breakdown in either direction is possible but for SCR protection should be given with parallel diode. It needs only a single heat sink of slightly largersize where
ADVANTAGES, DISADVANTAGES AND APPLICATIONS OF ROTAMETER There are some advantages of rotameter which are given below. The cost of rotameter is low. It provides linear scale. It has good accuracy for low and medium flow rates. The pressure loss is nearly constant and small. Usability for corrosive fluid. CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. WHAT IS BUILDING LINE AND CONTROL LINE Building line. Building line refers to the front line up to which the building can lawfully extend. it is also called as set- back or font building line. a minimum distance of this building line from the center line of the accompanying road is laid down as the limit beyond which no construction is allowed towards the road. Building line. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. MOISTURE CONTENT AND MOISTURE REGAIN Moisture Content (M) = Weight of Water / Total weight of material x 100. Moisture Regain (R): It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material. Moisture Regain (R) = Weight of Water / Oven dry weight of the material x 100. The temperature of the oven dryer should be 105*± 3*c.
WHAT IS EXTREME PRESSURE LUBRICATION What is extreme pressure lubrication. When the moving or sliding surfaces are under very high pressure and speed, excessive frictional heat will be generated. The high local temperature thus produced at the surfaces, the lubricant fails to stick or get vaporized. To meet these extra high-temperature high-temperature conditions, special HOW PRESSURE IS MEASURED USING LVDT? The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows the output of bourdon tube act as a secondary transducer. The bourdon tube senses the pressure and converts it into a displacement. The free end of bourdon tube shows this displacement. MICROPROCESSOR BASED OVERCURRENT RELAY Microprocessor Based Overcurrent Relay. Current is taken from C.T. and given to I to V converter because many electronics circuit require voltage signal for operation. The A.C. voltage is converted into D.C. voltage by using rectifier. This D.C. voltage is proportional to load current only. The output of rectifier is given to Multiplexer. DIFFERENCE BETWEEN RESULTANT AND EQUILIBRANTS Definition: An equilibrant of number of forces acting on a body is a single force which cancels the effect of resultant of a system of forces or which brings the system and the body is equilibrium. 2. Resultant (net) force causes the displacement of a body (i.e. body moves). Equilibrant keeps the body at rest (i.e. in equilibrium). WHAT IS BUILDING LINE AND CONTROL LINE Building line. Building line refers to the front line up to which the building can lawfully extend. it is also called as set- back or font building line. a minimum distance of this building line from the center line of the accompanying road is laid down as the limit beyond which no construction is allowed towards the road. HOW PRESSURE IS MEASURED USING LVDT? The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows the output of bourdon tube act as a secondary transducer. The bourdon tube senses the pressure and converts it into a displacement. The free end of bourdon tube shows this displacement. ADVANTAGES AND DISADVANTAGES OF GEARS Advantages and disadvantages of gears. By using gear trains, large velocity ratio can be obtained with minimum space. Gears are mechanically strong, so higher loads can be lifted. Gears are used for transmission of large H.F. They are used for transmitting motion over small centre distance of shafts. They are used for large reduction inspeed
ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. CONSTRUCTION OF PHOTOCONDUCTIVE CELLS Construction of photoconductive cells. It is based on the principle that the resistance of certain semiconductors materials decreases when they are exposed to radiations. In others words such material have high dark resistance and low irradiated resistance. The photoconductive cell is found that when radiations of sufficientenergy fall on such
DIFFERENCE BETWEEN IDEAL DIODES AND Practical diodes cannot act as perfect conductor and perfect insulator. Ideal diode draws no current when reverse biased. Practical diode draws very low current when reverse biased. Ideal diode offers infinite resistance when reverse biased. Practical diode offers very high resistance when reverse biased. It cannot be manufactured. ADVANTAGES AND DISADVANTAGES OF RTD (RESISTANCE Advantages: There are some advantages of RTD (resistance temperature detector) which are given below,. The RTD can be easily installed and replaced. It is available in wide range. The RTD can be used to measure differential temperature. ADVANTAGES AND DISADVANTAGES OF DIGITAL MULTIMETER Following are the advantages of digital multimeter : They are having high input impendence, So there is no loading effect. They are having higher accuracy. An unambiguous reading is obtained. The output can be interfaced with external equipment. They are available in smaller sizes. It can be used for measurement of A.C. and D.C. both quantity. CONSTRUCTION OF ENHANCEMENT TYPE N CHANNEL MOSFET A conducting layer of aluminum which will act as gate is overlaid on SiO 2 over the entire channel region. The construction of enhancement type N channel MOSFET is different from the depletion type MOSFET in the sense that it has no physical channel. It may be noted that the P type substrate extends the SiO 2 layer completely. DIFFERENCE BETWEEN SCR AND TRIAC SCR stands for silicon controlled rectifier. TRIAC stands for triode for alternating current. The SCR is unidirectional device. The TRIAC is bidirectional device. It available in large ratings. It available in smaller ratings. The SCR control DC power. The TRIAC control DC as well as AC power. The SCR can be triggered by positive gate voltageonly.
CLASSIFICATION OF AMPLIFIERS The amplifiers are may be classified as under, According to input signal. Small signal amplifier. Large signal amplifier. According to coupling methods. Inductance coupled (LC) amplifier. Resistance capacitance (RC) coupled amplifier. Transformer coupled (LC) coupled amplifier. Direct couple (DC) amplifier. ADVANTAGES AND DISADVANTAGES OF TRIAC There are some advantages of TRIAC which are given below, The TRIAC need single fuse for protection. It can be triggered with positive or negative polarities of gate pulses. A safe breakdown in either direction is possible but for SCR protection should be given with parallel diode. It needs only a single heat sink of slightly largersize where
CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. WHAT ARE TECHNICAL LOSSES Technical Losses. Technical losses in power system are caused by the physical properties of the components of the power system.The most obvious example is the power dissipated in transmission lines and transformers due to internal electrical resistance. Technical losses are naturally occurring losses (caused by action internal to the power system) and consist mainly of power MOISTURE CONTENT AND MOISTURE REGAIN Moisture Content (M) = Weight of Water / Total weight of material x 100. Moisture Regain (R): It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material. Moisture Regain (R) = Weight of Water / Oven dry weight of the material x 100. The temperature of the oven dryer should be 105*± 3*c.
WHAT ARE STRUCTURAL GLAZING? Nowadays in structural glazing; the glass cladding works is preferably adopted in building construction since it fulfills the variations functional requirements of building such as lighting heat retention etc. with visual impact creation.; Structural glazing systems, in their simplest form, are types of curtain wall systems consisting of glass that is bonded or anchored back to a structure CONSTRUCTION AND WORKING OF RVDT (ROTARY VARIABLELVDT AND RVDTHONEYWELL RVDTMOOG RVDTRVDT VS RESOLVERRVDT MANUFACTURERWOODWARDRVDT
Construction. The basic construction of RVDT is shown in above fig. The RVDT consists of one primary winding and two secondary windings. The emf induced in the secondary winding is a function of rotary displacement. The both secondary windings are placed in such a way to produce emf 180 degree out of phase to each other. ADVANTAGES AND DISADVANTAGES OF DIGITAL MULTIMETERAUTOMOTIVE DIGITAL VOLTMETERDC DIGITAL VOLTMETERDIGITAL VOLTMETER FOR CARDIGITAL VOLTMETER GAUGEDIGITAL VOLTMETER PDF Following are the advantages of digital multimeter : They are having high input impendence, So there is no loading effect. They are having higher accuracy. An unambiguous reading is obtained. The output can be interfaced with external equipment. They are available in smaller sizes. It can be used for measurement of A.C. and D.C. both quantity. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANTADVANTAGE THERMAL SERVICESTHERMAL ADVANTAGE SOFTWARE Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. ADVANTAGES AND DISADVANTAGES OF SOLAR ENERGY PLANTADVANTAGES AND DISADVANTAGES OF SOLAR EN…ADVANTAGES OF USING SOLAR ENERGYADVANTAGES OF USING SOLAR POWERSOLAR ENERGY ADVANTAGESWHAT ARE THE ADVANTAGES OF SOLAR ENERGYSOLAR POWER ADVANTAGES LIST Solar energy plant. A photovoltaic cell is the basic that converts solar radiation into electricity PY cell can be either circular in construction or square. Cells are arranged in a frame to a module, modules put together from a panel. Many panels CLASSIFICATION OF AMPLIFIERS The amplifiers are may be classified as under, According to input signal. Small signal amplifier. Large signal amplifier. According to coupling methods. Inductance coupled (LC) amplifier. Resistance capacitance (RC) coupled amplifier. Transformer coupled (LC) coupled amplifier. Direct couple (DC) amplifier. ADVANTAGES AND DISADVANTAGES OF TRIAC There are some advantages of TRIAC which are given below, The TRIAC need single fuse for protection. It can be triggered with positive or negative polarities of gate pulses. A safe breakdown in either direction is possible but for SCR protection should be given with parallel diode. It needs only a single heat sink of slightly largersize where
CAPACITOR TESTING WITH OHMMETER Capacitor testing with ohmmeter. Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When this condition is there, the ohmmeter will show a steady-zero reading. WHAT ARE TECHNICAL LOSSES Technical Losses. Technical losses in power system are caused by the physical properties of the components of the power system.The most obvious example is the power dissipated in transmission lines and transformers due to internal electrical resistance. Technical losses are naturally occurring losses (caused by action internal to the power system) and consist mainly of power MOISTURE CONTENT AND MOISTURE REGAIN Moisture Content (M) = Weight of Water / Total weight of material x 100. Moisture Regain (R): It is defined as the weight of water in a material expressed a percentage of the oven dry weight of the material. Moisture Regain (R) = Weight of Water / Oven dry weight of the material x 100. The temperature of the oven dryer should be 105*± 3*c.
WHAT ARE STRUCTURAL GLAZING? Nowadays in structural glazing; the glass cladding works is preferably adopted in building construction since it fulfills the variations functional requirements of building such as lighting heat retention etc. with visual impact creation.; Structural glazing systems, in their simplest form, are types of curtain wall systems consisting of glass that is bonded or anchored back to a structure CONSTRUCTION AND WORKING OF RVDT (ROTARY VARIABLELVDT AND RVDTHONEYWELL RVDTMOOG RVDTRVDT VS RESOLVERRVDT MANUFACTURERWOODWARDRVDT
Construction. The basic construction of RVDT is shown in above fig. The RVDT consists of one primary winding and two secondary windings. The emf induced in the secondary winding is a function of rotary displacement. The both secondary windings are placed in such a way to produce emf 180 degree out of phase to each other. ADVANTAGES AND DISADVANTAGES OF DIGITAL MULTIMETERAUTOMOTIVE DIGITAL VOLTMETERDC DIGITAL VOLTMETERDIGITAL VOLTMETER FOR CARDIGITAL VOLTMETER GAUGEDIGITAL VOLTMETER PDF Following are the advantages of digital multimeter : They are having high input impendence, So there is no loading effect. They are having higher accuracy. An unambiguous reading is obtained. The output can be interfaced with external equipment. They are available in smaller sizes. It can be used for measurement of A.C. and D.C. both quantity. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANTADVANTAGE THERMAL SERVICESTHERMAL ADVANTAGE SOFTWARE Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. ADVANTAGES AND DISADVANTAGES OF SOLAR ENERGY PLANTADVANTAGES AND DISADVANTAGES OF SOLAR EN…ADVANTAGES OF USING SOLAR ENERGYADVANTAGES OF USING SOLAR POWERSOLAR ENERGY ADVANTAGESWHAT ARE THE ADVANTAGES OF SOLAR ENERGYSOLAR POWER ADVANTAGES LIST Solar energy plant. A photovoltaic cell is the basic that converts solar radiation into electricity PY cell can be either circular in construction or square. Cells are arranged in a frame to a module, modules put together from a panel. Many panels ADVANTAGES AND DISADVANTAGES OF GEARS Advantages and disadvantages of gears. By using gear trains, large velocity ratio can be obtained with minimum space. Gears are mechanically strong, so higher loads can be lifted. Gears are used for transmission of large H.F. They are used for transmitting motion over small centre distance of shafts. They are used for large reduction inspeed
MICROPROCESSOR BASED OVERCURRENT RELAY Microprocessor Based Overcurrent Relay. Current is taken from C.T. and given to I to V converter because many electronics circuit require voltage signal for operation. The A.C. voltage is converted into D.C. voltage by using rectifier. This D.C. voltage is proportional to load current only. The output of rectifier is given to Multiplexer. ADVANTAGES AND DISADVANTAGES OF SOLAR ENERGY PLANT Solar energy plant. A photovoltaic cell is the basic that converts solar radiation into electricity PY cell can be either circular in construction or square. Cells are arranged in a frame to a module, modules put together from a panel. Many panels WORKING OF TRUE RMS READING VOLTMETER Working of true rms reading voltmeter. There are two thermocouples namely measuring thermocouple and balancing thermocouple. They forms a part of bridge at the input of DC amplifier. The same non linearity effect takes place in both the thermocouple, so this effect is compensated. An input AC voltage to be measured is first amplified byusing
DIFFERENCE BETWEEN STATIC RELAYS AND Difference between static relays and electromagnetic relays. No moving contacts. So, No problem of Arcing No needs to replace contacts. Moving contacts are present. Problem like Arcing, Replacement of contacts is necessary. No effect of Gravity on operation of static relay. Gravitational force can affect the relay. ADVANTAGES AND DISADVANTAGES OF THERMAL POWER PLANT Disadvantages of thermal power plant are: The running cost of thermal power station is more as compared to hydro power station. It pollutes the atmosphere due to production of large amount of smoke and fumes. Maintenance cost is more. Skilled persons are required for erecting and maintaining the power station. DIFFERENCE BETWEEN SCR AND TRIAC SCR stands for silicon controlled rectifier. TRIAC stands for triode for alternating current. The SCR is unidirectional device. The TRIAC is bidirectional device. It available in large ratings. It available in smaller ratings. The SCR control DC power. The TRIAC control DC as well as AC power. The SCR can be triggered by positive gate voltageonly.
ADVANTAGES AND DISADVANTAGES OF LCD (LIQUID CRYSTAL There are some advantages of liquid crystal display (LCD) which are given below, The LCD can be made in large sizes of over 60 inch or 150 cm diagonal.; It has no geometric distortion. It is very compact, thin, and light CRT displays. EARTH LEAKAGE CIRCUIT BREAKER (ELCB) Purpose The main purpose of the earth leakage circuit breaker is to prevent injury to humans and animals due to electrical shock. Working. An ELCB is a specialized type of latching a relay that has buildings incoming mains power connected through its switching contacts so that the ELCB disconnects take power in an earth leakage condition.. The ELCB detects fault current from ADVANTAGES AND DISADVANTAGES OF RTD (RESISTANCE Advantages: There are some advantages of RTD (resistance temperature detector) which are given below,. The RTD can be easily installed and replaced. It is available in wide range. The RTD can be used to measure differential temperature.* Home
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ARE THERE ANY BENEFITS OF USING EXAM DUMPS FOR PASSING MICROSOFT70-410 TEST?
In its exam policy, Microsoft specifies that the candidates for itstests should not use braindumps. But still, most people prefer them as their primary preparation tool for the reason that they have provento be very helpful
29 Jan 20 Author Technical EditorCategoryInformation
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WHAT IS SIMPLE MECHANISMS Introduction A machine is a device which receives energy and transforms it into some useful work. A machine consists of a number of parts or bodies. The mechanisms of the various parts or bodies fromwhich the
9 May 19 Author Technical EditorCategoryMechanical
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THEORY OF MACHINE
Definition The subject Theory of Machines may be defined as that branch of Engineering-science, which deals with the study of relative motion between the various parts of a machine, and forces which act on them. The knowledge of 9 May 19 Author Technical EditorCategoryMechanical
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MAGNETIC HYSTERESIS
When the coil current ‘i’ rise from zero in positive directions a B-H curve ‘oa’ is obtained. where Bm is the maximum flux density reached point ‘a ’ due to magnetic saturation. When the currentdecreases from
14 Aug 18 Author Technical EditorCategoryElectrical
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MAGNETIC LEAKAGE AND FRINGING Total Flux (∅T): If a current is passed through the N turns of the exciting coil wound on the magnetic core having an air-gap. A total flux ∅T produces inside the limb on which the coil is 13 Aug 18 Author Technical EditorCategoryElectrical
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MAGNETIC CIRCUIT
A magnetic circuit may be considered as path followed by the magnetic flux. A rectangular core of magnetic material is wounded with N turn of a coil carrying a current of I amperes. Types of magnetic material 13 Aug 18 Author Technical EditorCategoryElectrical
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ELECTROMAGNETISM
A current carrying conductor or coil produces a magnetic flux or field. Thus electricity is always associated with magnetism. This is known as electromagnetism. The magnetic effect of electric current can be studied for the following three 12 Aug 18 Author Technical EditorCategoryElectrical
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MAGNETIC FLUX(∅)
A magnetic flux is defined as the total number of magnetic lines of forces passing through a given medium, so the flux lines are the imaginary lines which indicate the directions of magnetic force. S.Iunit of
12 Aug 18 Author Technical EditorCategoryElectrical
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SUPERPOSITION’S THEOREM In a linear, bilateral circuit, containing more than one sources, the one sources, the resultant current (or voltage) of any branch is the algebraic sum of the currents (or voltages) that would be produced byeach source,
12 Aug 18 Author Technical EditorCategoryElectrical
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DIFFERENCE BETWEEN SERIES CIRCUIT AND PARALLEL CIRCUIT Series circuit Parallel circuit The element is said to be connected in series if they are connected in cascade fashion, end to end, one after the other. if the finish point of the one element is connected 11 Aug 18 Author Technical EditorCategoryElectrical
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