Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 50Hz 500Hz 1kHz 100Hz 50Hz 500Hz 1kHz 100Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use Dynamometer wattmeter 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 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1% ± 2.5% ± 1.5% ± 3.5% ± 1% ± 2.5% ± 1.5% ± 3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? All of the listed here Potential transformers Shunt Current transformers All of the listed here Potential transformers Shunt Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Temperature Current Voltage Both Voltage and Temperature Temperature Current Voltage Both Voltage and Temperature ANSWER DOWNLOAD EXAMIANS APP
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