Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 5 V. 2 V. 0 V. (2 + √3/2)V. 5 V. 2 V. 0 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Square-law scale Exponential scale Logarithmic scale Linear scale Square-law scale Exponential scale Logarithmic scale Linear scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as Pascal ? Temperature Impulse Pressure Force Temperature Impulse Pressure Force ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. 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. 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by weight attached to the moving coil. not provided at all. crossed coil mechanism. spring. weight attached to the moving coil. not provided at all. crossed coil mechanism. spring. ANSWER DOWNLOAD EXAMIANS APP
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