Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same number of turns but different dimensions The same dimensions and the same number of turns The same dimension but different number of turns None of these The same number of turns but different dimensions The same dimensions and the same number of turns The same dimension but different number of turns None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from Frequency error Wave shape error Temperature error All of the listed here Frequency error Wave shape error Temperature error All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Electrostatic ammeter Permanent magnet type ammeter Moving iron repulsion type voltmeter Induction ammeter Electrostatic ammeter Permanent magnet type ammeter Moving iron repulsion type voltmeter Induction ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Voltmeter Ballastic galvanometer Flux meter Ammeter Voltmeter Ballastic galvanometer Flux meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS