Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil Current coil and potential coil None of the listed here Potential coil Current coil Current coil and potential coil None of the listed here Potential coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most accurate. most simple and least time consuming. most simple. least time consuming. most accurate. most simple and least time consuming. most simple. least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. All of the listed here Should non magnetic Most be of low temperature co-efficient Should have low specific resistance All of the listed here Should non magnetic Most be of low temperature co-efficient Should have low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 150∠30° ohm. 300∠90° ohm. 600∠-150° ohm. 400∠-90° ohm. 150∠30° ohm. 300∠90° ohm. 600∠-150° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. inclined at 30o. 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? None of these 25.45 W. 32.56 W . 28.12 W. None of these 25.45 W. 32.56 W . 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
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