Measurement and Instrumentation The spring material used in a spring control device should have the following property. Most be of low temperature co-efficient All of the listed here Should have low specific resistance Should non magnetic Most be of low temperature co-efficient All of the listed here Should have low specific resistance Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 4% 3% 6% 5% 4% 3% 6% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 100 W. 50 W. 0 W. 25 W. 100 W. 50 W. 0 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Potential coil 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 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.6 lead. 0.6 lag. 0.917 lead. 0.917 lag. 0.6 lead. 0.6 lag. 0.917 lead. 0.917 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because It is based on null balance technique. It is possible to standardize before a measurement is undertaken. None of above. The precision in measurment is independent of the type of the defector used. It is based on null balance technique. It is possible to standardize before a measurement is undertaken. None of above. The precision in measurment is independent of the type of the defector used. ANSWER DOWNLOAD EXAMIANS APP
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