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
Measurement and Instrumentation Which of the following meters has a linear scale? Thermocouple meter Hot wore meter Moving coil meter Moving iron meter Thermocouple meter Hot wore meter Moving coil meter Moving iron meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Both deflecting and controlling torques act Only controlling torque acts None of the listed here Only deflecting torque acts Both deflecting and controlling torques act Only controlling torque acts None of the listed here Only deflecting torque acts ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 Nm. 2 Nm. 100 Nm. 200 Nm. 1 Nm. 2 Nm. 100 Nm. 200 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for AC only Both DC and AC DC only Any of the listed here AC only Both DC and AC DC only Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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