Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lag. 0.917 lead. 0.6 lag. 0.6 lead. 0.917 lag. 0.917 lead. 0.6 lag. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Schering. Desautys. Hays. Wheatstones. Schering. Desautys. Hays. Wheatstones. 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. 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. A is ture and R is false. A is false and R is ture. 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 Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Reduce the size of the meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R2 and then adjust R4. First adjust R2 and then adjust R3. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. First adjust R2 and then adjust R3. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. 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 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. 85.4o. ANSWER DOWNLOAD EXAMIANS APP
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