Measurement and Instrumentation Which of the following meters has a linear scale? Thermocouple meter Hot wore meter Moving coil meter Moving iron meter Thermocouple meter Hot wore meter Moving coil meter Moving iron meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Moving iron type instrument Moving coil type instrument Electro-static type instrument Hot-wire type instrument Moving iron type instrument Moving coil type instrument Electro-static type instrument Hot-wire type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 2% 1% 4% 3% 2% 1% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Load impedance is low Load impedance is high Supply voltage is low None of these Load impedance is low Load impedance is high Supply voltage is low None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only deflecting torque acts None of the listed here Both deflecting and controlling torques act Only controlling torque acts Only deflecting torque acts None of the listed here Both deflecting and controlling torques act Only controlling torque acts ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. 85.4o. ANSWER DOWNLOAD EXAMIANS APP
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