Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. A potentiometer. A function generator. An ammeter. A frequency meter. A potentiometer. A function generator. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x velocity Change in velocity / time Mass x acceleration Force x displacement Mass x velocity Change in velocity / time Mass x acceleration Force x displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. recording. indicating. absolute. integrating. recording. indicating. absolute. integrating. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. An indicating A recording A transfer An integrating An indicating A recording A transfer An integrating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? None of these C. potentiometer Small range moving coil voltmeter Small range thermocouple voltmeter None of these C. potentiometer Small range moving coil voltmeter Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
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