Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? Power transformer. Distribution transformer. PT. CT. Power transformer. Distribution transformer. PT. CT. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Creep compensation None of the listed here Friction compensation Breaking torque Creep compensation None of the listed here Friction compensation Breaking torque ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 25 W. 50 W. 100 W. 0 W. 25 W. 50 W. 100 W. 0 W. 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 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ammeter only. wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ammeter only. ANSWER DOWNLOAD EXAMIANS APP
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