Measurement and Instrumentation What is the expression for momentum? mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negative Positive None of the listed here Negligible Negative Positive None of the listed here Negligible ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 85.4o. 4.6o. 175.4o. 94.6o. 85.4o. 4.6o. 175.4o. 94.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Moving iron Dynamometer Hot wire Thermocouple Moving iron Dynamometer Hot wire Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of ammeter. resistance of shunt winding. both A and B. resistance of shunt. resistance of ammeter. resistance of shunt winding. both A and B. resistance of shunt. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance ANSWER DOWNLOAD EXAMIANS APP