Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and magnetic material Non conducting and magnetic material None of the listed here Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material None of the listed here Conducting and non magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to peak value Peak value to rms value Rms value to average value Peak value to average value Rms value to peak value Peak value to rms value Rms value to average value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 0 V. (2 + √3/2)V. 5 V. 2 V. 0 V. (2 + √3/2)V. 5 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are LVDT recorders. any one of the above. bridge recorders. potentiometric recorders. LVDT recorders. any one of the above. bridge recorders. potentiometric recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then Y is more sensitive. X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. Y is more sensitive. X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.67 A. 0.25 A. 0.50 A. 0.70 A. 0.67 A. 0.25 A. 0.50 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP