Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Non conducting and magnetic material None of the listed here Conducting and magnetic material Conducting and non magnetic material Non conducting and magnetic material None of the listed here Conducting and magnetic material Conducting and non magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Comparing two currents Measuring a voltage Measuring a current Comparing two voltages Comparing two currents Measuring a voltage Measuring a current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. It consist of two coils mounted at right angles to each other. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1.5% ± 2.5% ± 1% ± 3.5% ± 1.5% ± 2.5% ± 1% ± 3.5% ANSWER DOWNLOAD EXAMIANS APP
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