Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Square of the current Squareroot of the current Current Sine of the measurand Square of the current Squareroot of the current Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Current transformers All of the listed here Shunt Potential transformers Current transformers All of the listed here Shunt Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter does not respond to DC signals 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 error is high due to hysteresis effect The meter does not respond to DC signals 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 A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple and least time consuming. most simple. most accurate. least time consuming. most simple and least time consuming. most simple. most accurate. least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when None of these Supply voltage is low Load impedance is high Load impedance is low None of these Supply voltage is low Load impedance is high Load impedance is low ANSWER DOWNLOAD EXAMIANS APP
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