Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by Series resistance Shunt capacitance A shunt resistance A series inductance Series resistance Shunt capacitance A shunt resistance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 3.0% ±0.5% ± 1.5% ±3.5% ± 3.0% ±0.5% ± 1.5% ±3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.73 0.84 1 0.65 0.73 0.84 1 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? Moving iron voltmeter VTVM CRO Moving coil voltmeter Moving iron voltmeter VTVM CRO Moving coil voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Electro-static type instrument Moving coil type instrument Hot-wire type instrument Moving iron type instrument Electro-static type instrument Moving coil type instrument Hot-wire type instrument Moving iron type instrument ANSWER DOWNLOAD EXAMIANS APP
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