Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Moving iron instruments Electrodynamo meter instruments Electrostatic instruments PMMC instruments Moving iron instruments Electrodynamo meter instruments Electrostatic instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 105.6o. 30o. 150o. 63.25o. 105.6o. 30o. 150o. 63.25o. 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. 100 µNm. 1 µNm. 200 µNm. 2 µNm. 100 µNm. 1 µNm. 200 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Gross error Dynamic error Relative error Absolute error Gross error Dynamic error Relative error Absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Square of the measurand Sine inverse of measurand Measurand Sine of the measurand Square of the measurand Sine inverse of measurand Measurand Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter ANSWER DOWNLOAD EXAMIANS APP
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