Measurement and Instrumentation An induction wattmeter can be used for Any of the listed here Both DC and AC Ac only Dc only Any of the listed here Both DC and AC Ac only Dc only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 1kHz 100Hz 500Hz 50Hz 1kHz 100Hz 500Hz 50Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in Wh kW VAR kWh Wh kW VAR kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Pottential transformers Both current and potential transformers Power transformers Current transformers Pottential transformers Both current and potential transformers Power transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Almost zero None of the listed here High Low Almost zero None of the listed here High Low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP