Measurement and Instrumentation A megger is usually Moving coil type instrument Moving iron type instrument Hot-wire type instrument Electro-static type instrument Moving coil type instrument Moving iron type instrument Hot-wire type instrument Electro-static type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 6 4 8 7 6 4 8 7 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a higher accuracy. a lower sensitivity. a faster response. All of these a higher accuracy. a lower sensitivity. a faster response. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Electrostatic coupling Both A and B None of these Electromagnetic coupling Electrostatic coupling Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 100 ohm. 10 ohm. 1000 ohm. 1 ohm. 100 ohm. 10 ohm. 1000 ohm. 1 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
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