Measurement and Instrumentation A megger is usually Moving coil type instrument Hot-wire type instrument Moving iron type instrument Electro-static type instrument Moving coil type instrument Hot-wire type instrument Moving iron type instrument Electro-static type instrument 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 1% 2% 1.5% 2.5% 1% 2% 1.5% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Current Square of the current Squareroot of the current Sine of the measurand Current Square of the current Squareroot of the current Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Voltmeters Ammeters Ampere hour and watt hour meters Wattmeters Voltmeters Ammeters Ampere hour and watt hour meters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be ± 6% ± 5% ± 7% ± 8% ± 6% ± 5% ± 7% ± 8% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 4.06 A. 2.03 A. 5 A. 6.09 A. 4.06 A. 2.03 A. 5 A. 6.09 A. ANSWER DOWNLOAD EXAMIANS APP
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