Measurement and Instrumentation In a megger controlling torque is provided by Eddy current Coil Spring Gravity Eddy current Coil Spring Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? change of velocity / time force × displacement mass × acceleration mass × velocity change of velocity / time force × displacement mass × acceleration mass × velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to None of the listed here Increase the resistance of ammeter By pass the current Increase the sensitivity of the ammeter None of the listed here Increase the resistance of ammeter By pass the current Increase the sensitivity of the ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Moving coil type Hot wire type Moving iron type Induction type Moving coil type Hot wire type Moving iron type Induction type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called absolute error probable error relative error gross error absolute error probable error relative error gross error ANSWER DOWNLOAD EXAMIANS APP
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