Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these large time constant. higher response time. high inertia. All of these large time constant. higher response time. high inertia. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Series-parallel Series Parallel None of the listed here Series-parallel Series Parallel None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because None of above. It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. It is based on null balance technique. None of above. It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. It is based on null balance technique. 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. 150o. 30o. 63.25o. 105.6o. 150o. 30o. 63.25o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies Low frequencies Power frequencies High load on the transformer High frequencies Low frequencies Power frequencies High load on the transformer ANSWER DOWNLOAD EXAMIANS APP