Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1 V. 1.5 V. 1.7 V. 1.34 V. 1 V. 1.5 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. None of the listed here Positive Negative Negligible None of the listed here Positive Negative Negligible ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low None of these Load impedance is low Load impedance is high Supply voltage is low None of these Load impedance is low Load impedance is high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0. none of above. 0.5. 1. 0. none of above. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very light Either light or heavy Very heavy None of the listed here Very light Either light or heavy Very heavy None of the listed here ANSWER DOWNLOAD EXAMIANS APP