Measurement and Instrumentation Which of the following essential featuresis possessed by an indicating instrument? Deflecting device Damping device All of the listed here Controlling device Deflecting device Damping device All of the listed here Controlling device ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2% 2.5% 1% 1.5% 2% 2.5% 1% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Power transformers Either of the above Potential transformers Current transformers Power transformers Either of the above Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here One voltmeter, one ammeter and one wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the unit of plane angle? Candela Degree Radian Steradian Candela Degree Radian Steradian ANSWER DOWNLOAD EXAMIANS APP