Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 5% 2% 1% 3.33% 5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Dynamic error Standard deviation of error Static error Linearity error Dynamic error Standard deviation of error Static error Linearity error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be High None of the listed here Almost zero Low High None of the listed here Almost zero Low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2√2V. 2V. Zero. √2V. 2√2V. 2V. Zero. √2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use Induction wattmeter Dynamometer wattmeter Sometimes induction and sometimes dynamometer wattmeter None of the listed here Induction wattmeter Dynamometer wattmeter Sometimes induction and sometimes dynamometer wattmeter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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