Measurement and Instrumentation Which of the following are integrating instruments? Ampere hour and watt hour meters Ammeters Voltmeters Wattmeters Ampere hour and watt hour meters Ammeters Voltmeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1 and 2 are correct 1 and 3 are correct 1, 2 and 3 are correct 2 and 3 are correct 1 and 2 are correct 1 and 3 are correct 1, 2 and 3 are correct 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Squareroot of the measurand Current through the coil Sine of the measurand Square of the current through the coil Squareroot of the measurand Current through the coil Sine of the measurand Square of the current through the coil 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 175.4o. 85.4o. 4.6o. 94.6o. 175.4o. 85.4o. 4.6o. 94.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. All of these a higher accuracy. a lower sensitivity. a faster response. All of these a higher accuracy. a lower sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ± 1.5) A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS