Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Square of the current through the coil Squareroot of the measurand Sine of the measurand Current through the coil Square of the current through the coil Squareroot of the measurand Sine of the measurand Current through the coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Absloute linear. Non Linear. Cramped. Linear. Absloute linear. Non Linear. Cramped. Linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 3% 1% 4% 2% 3% 1% 4% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A source other than the source of unknown voltage. A battery. The same source as the unknown voltage. Any of above. A source other than the source of unknown voltage. A battery. The same source as the unknown voltage. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 50 mA. 40 mA. 80 mA. 25 mA. 50 mA. 40 mA. 80 mA. 25 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. ANSWER DOWNLOAD EXAMIANS APP