Measurement and Instrumentation Most sensitive galvanometer is Duddle galvanometer Vibration galvanometer Elastic galvanometer Spot ballastic galvanometer Duddle galvanometer Vibration galvanometer Elastic galvanometer Spot ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by the coil spring attached to the moving. damping vane in the airtight chamber. eddy current disk. the aluminium frame of the coil. the coil spring attached to the moving. damping vane in the airtight chamber. eddy current disk. the aluminium frame of the coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 50 V. 100 V. 25 V. 200 V. 50 V. 100 V. 25 V. 200 V. 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. 28.12 W. 32.56 W . None of these 25.45 W. 28.12 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with known quantity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called relative error absolute error probable error gross error relative error absolute error probable error gross error ANSWER DOWNLOAD EXAMIANS APP