Measurement and Instrumentation A PMMC instrument can be used as flux meter By using a low resistance shunt By using a high series resistance By making control springs of large moment of inertia By eliminating the control springs By using a low resistance shunt By using a high series resistance By making control springs of large moment of inertia By eliminating the control springs ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by Shunt capacitance A series inductance Series resistance A shunt resistance Shunt capacitance A series inductance Series resistance A shunt resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 300∠90° ohm. 150∠30° ohm. 400∠-90° ohm. 600∠-150° ohm. 300∠90° ohm. 150∠30° ohm. 400∠-90° ohm. 600∠-150° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. Resistance of connecting leads. All of above. Thermoelectric emfs. Contact resistance. Resistance of connecting leads. All of above. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having a resistance of 5 ΩK. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having sensitivity of 1 KW/V. Voltmeter having a resistance of 5 ΩK. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having sensitivity of 1 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Should be used for low frequency. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. ANSWER DOWNLOAD EXAMIANS APP
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