Measurement and Instrumentation How many fundamental units are there ? 4 7 8 6 4 7 8 6 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.84 0.65 0.73 1 0.84 0.65 0.73 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 2 V. 0 V. (2 + √3/2)V. 5 V. 2 V. 0 V. (2 + √3/2)V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then X is more sensitive. Y is more sensitive. Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. Y is more sensitive. Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Ampere Watt Joule/sec Newton Ampere Watt Joule/sec Newton ANSWER DOWNLOAD EXAMIANS APP
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