Measurement and Instrumentation A megger is usually Hot-wire type instrument Electro-static type instrument Moving iron type instrument Moving coil type instrument Hot-wire type instrument Electro-static type instrument Moving iron type instrument Moving coil type instrument 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. 175.4o. 94.6o. 4.6o. 85.4o. 175.4o. 94.6o. 4.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 150W 200W 100W 50W 150W 200W 100W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for Both AC and DC None of the listed here DC work only AC work only Both AC and DC None of the listed here DC work only AC work only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Hot wire type Moving coil type Moving iron type Induction type Hot wire type Moving coil type Moving iron type Induction type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. a lower sensitivity. a higher accuracy. All of these a faster response. a lower sensitivity. a higher accuracy. All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS