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 calibration of a voltmeter can be carried out by using A function generator. A frequency meter. An ammeter. A potentiometer. A function generator. A frequency meter. An ammeter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 54.2. 20. 25.4. 31.4. 54.2. 20. 25.4. 31.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.1mA 0.023mA 0.05mA 0.007mA 0.1mA 0.023mA 0.05mA 0.007mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that balance equation independent of frequency. reduction of the cost. measures high Q inductors. attaining balance condition is easier. balance equation independent of frequency. reduction of the cost. measures high Q inductors. attaining balance condition is easier. ANSWER DOWNLOAD EXAMIANS APP