Measurement and Instrumentation The moving coil-meters, damping is provided by the aluminium frame of the coil. eddy current disk. damping vane in the airtight chamber. the coil spring attached to the moving. the aluminium frame of the coil. eddy current disk. damping vane in the airtight chamber. the coil spring attached to the moving. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 1. none of above. 0. 0.5. 1. none of above. 0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.70 A. 0.50 A. 0.25 A. 0.67 A. 0.70 A. 0.50 A. 0.25 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Cramped. Non Linear. Absloute linear. Linear. Cramped. Non Linear. Absloute linear. Linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 250 V. 252 V. 260 V. 248 V. 250 V. 252 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is ______ instrument. An integrating None of the listed here A recording An indicating An integrating None of the listed here A recording An indicating ANSWER DOWNLOAD EXAMIANS APP