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 1.5% 2.5% 2% 1% 1.5% 2.5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in None of these C. ammeter hour meter C. energy meter C. ammeter None of these C. ammeter hour meter C. energy meter C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 µNm. 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. 200 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping Eddy current damping Air friction damping None of these Fluid friction damping Eddy current damping Air friction damping None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Derived quantity Fundamental quantity None of these Numerical quantity Derived quantity Fundamental quantity None of these Numerical quantity ANSWER DOWNLOAD EXAMIANS APP