Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Copper Aluminium Silver Soft steel Copper Aluminium Silver Soft steel ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a source which is not the same as the unknown voltage From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage From the same source as the unknown voltage From a battery Any of the above ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Permanent magnet moving coil Dynamometer Moving iron Hot wire Permanent magnet moving coil Dynamometer Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the quantity under measurement to an analogues signal. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. change the quantity under measurement to an analogues signal. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 4% ± 6% ± 3% ± 2.8% ± 4% ± 6% ± 3% ± 2.8% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to peak value Peak value to average value Peak value to rms value Rms value to average value Rms value to peak value Peak value to average value Peak value to rms value Rms value to average value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS