Measurement and Instrumentation When checked with an ohm meter an open resistor reads infinite. low but not zero. zero. high but within tolerance. infinite. low but not zero. zero. high but within tolerance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. Both A and R is true and R is correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. 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 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 The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Butter amplifer. Differential amplifier. Power amplifier. Wideband amplifier. Butter amplifer. Differential amplifier. Power amplifier. Wideband amplifier. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Potential transformers Current transformers All of the listed here Shunt Potential transformers Current transformers All of the listed here Shunt ANSWER DOWNLOAD EXAMIANS APP