Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1.5% 1% 2% 2.5% 1.5% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and magnetic material None of the listed here Conducting and non magnetic material Non conducting and magnetic material Conducting and magnetic material None of the listed here Conducting and non magnetic material Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 Nm. 100 Nm. 2 Nm. 1 Nm. 200 Nm. 100 Nm. 2 Nm. 1 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 40 V 12 V 100 V 6 V 40 V 12 V 100 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for voltmeter only. wattmeter only. ammeter only. ammeter, voltmeter and wattmeter. voltmeter only. wattmeter only. ammeter only. ammeter, voltmeter and wattmeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is not correct explanation of A. A is true R is false. A is false R is true. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is true R is false. A is false R is true. Both A and R is true and R is correct explanation of A C. ANSWER DOWNLOAD EXAMIANS APP
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