Measurement and Instrumentation The errors mainly caused by human mistakes are systematic error. instrumental error. gross error. observational error. systematic error. instrumental error. gross error. observational error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter ANSWER DOWNLOAD EXAMIANS APP
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 The range of a moving iron ac ammeter is extended by None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 150W 50W 100W 200W 150W 50W 100W 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? 2% 3.33% 1% 5% 2% 3.33% 1% 5% ANSWER DOWNLOAD EXAMIANS APP
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