Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for Both DC and AC DC only AC only Any of the listed here Both DC and AC DC only AC only Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure None of these Voltage Current Flux None of these Voltage Current Flux ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 20. 10√3. 10. 20√3. 20. 10√3. 10. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Eddy current damping Fluid friction damping None of these Air friction damping Eddy current damping Fluid friction damping None of these Air friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a dynamometer instrument. a thermal instrument. a moving coil instrument. an electrostatic instrument. a dynamometer instrument. a thermal instrument. a moving coil instrument. an electrostatic instrument. ANSWER DOWNLOAD EXAMIANS APP
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