PMMC type instruments normally use Air friction damping Fluid friction damping None of these Eddy current damping TRUE ANSWER : ? YOUR ANSWER : ?
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 200 V. 25 V. 100 V. 50 V. TRUE ANSWER : ? YOUR ANSWER : ?
The thermocouple instrument will measure None of these Current Voltage Flux TRUE ANSWER : ? YOUR ANSWER : ?
The multiplier and the meter coil in a voltmeter are in Parallel Series None of the listed here Series-parallel TRUE ANSWER : ? YOUR ANSWER : ?
Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy. A is false bur R is true A is true but R is false Both A and R are true but R is NOT the correct explanation of A Both A and R are true and R is the correct explanation of A TRUE ANSWER : ? YOUR ANSWER : ?
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms None of the listed here The bridge can always be balanced The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values TRUE ANSWER : ? YOUR ANSWER : ?
An analog ammeter is an absolute instrument. a controlling instrument. a recording instrument. an indicating instrument. TRUE ANSWER : ? YOUR ANSWER : ?
A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is 260 bar. 270 bar. 10 bar. 250 bar. TRUE ANSWER : ? YOUR ANSWER : ?
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 3.33 %. 2 %. 2.66 %. 1 %. TRUE ANSWER : ? YOUR ANSWER : ?
A DC potentiometer is the best means available for the measurement of DC voltage because It is based on null balance technique. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. None of above. TRUE ANSWER : ? YOUR ANSWER : ?