Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Energy meter. Wattmeters. Instrument transformer. Power factor meters. Energy meter. Wattmeters. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? 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 error is high due to hysteresis effect The meter does not respond to DC signals 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 error is high due to hysteresis effect The meter does not respond to DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? VTVM Moving iron voltmeter Moving coil voltmeter CRO VTVM Moving iron voltmeter Moving coil voltmeter CRO ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become accurate and precise. accurate and direct reading. precise. accurate. accurate and precise. accurate and direct reading. precise. accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement? 0.03 ohm. 15.36 ohm. 0.01 ohm. 10.26 ohm. 0.03 ohm. 15.36 ohm. 0.01 ohm. 10.26 ohm. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS