Measurement and Instrumentation Relative error is same as ratio of absolute error and true value. true error. absolute error. None of these ratio of absolute error and true value. true error. absolute error. None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Wheatstone bridge Voltmeter and ammeter Potentiometer Ohmmeter Wheatstone bridge Voltmeter and ammeter Potentiometer Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Systematic errors are All of these environmental errors. instrument errors. observational errors. All of these environmental errors. instrument errors. observational errors. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Infinity Very small Medium High Infinity Very small Medium High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.84 0.65 0.73 1 0.84 0.65 0.73 1 ANSWER DOWNLOAD EXAMIANS APP
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