Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Moving iron instruments Electrostatic instruments Electrodynamo meter instruments PMMC instruments Moving iron instruments Electrostatic instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A potentiometer. A frequency meter. A function generator. An ammeter. A potentiometer. A frequency meter. A function generator. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Static sensitivity and damping coefficient Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Static sensitivity and damping coefficient Time constant only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from The same source as the unknown voltage. Any of above. A battery. A source other than the source of unknown voltage. The same source as the unknown voltage. Any of above. A battery. A source other than the source of unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use None of these Fluid friction damping Air friction damping Eddy current damping None of these Fluid friction damping Air friction damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
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