Measurement and Instrumentation A megger is usually Moving coil type instrument Electro-static type instrument Hot-wire type instrument Moving iron type instrument Moving coil type instrument Electro-static type instrument Hot-wire type instrument Moving iron type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ±5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ±5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments Electrostatic instruments PMMC instruments Electrodynamo meter instruments Moving iron instruments Electrostatic instruments PMMC instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 90V 111V 100V 50V 90V 111V 100V 50V ANSWER DOWNLOAD EXAMIANS APP