Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is square law. expontial. linear. logarithmic. square law. expontial. linear. logarithmic. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of both A and B. resistance of shunt. resistance of ammeter. resistance of shunt winding. both A and B. resistance of shunt. resistance of ammeter. resistance of shunt winding. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by A shunt resistance Series resistance Shunt capacitance A series inductance A shunt resistance Series resistance Shunt capacitance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have 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 The same number of turns but different dimensions The same dimensions and the same number of turns ANSWER DOWNLOAD EXAMIANS APP
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