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. 63.25o. 30o. 150o. 105.6o. 63.25o. 30o. 150o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that 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. balance equation independent of frequency. reduction of the cost. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of shunt winding. both A and B. resistance of ammeter. resistance of shunt. resistance of shunt winding. both A and B. resistance of ammeter. resistance of shunt. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 80 mA. 40 mA. 50 mA. 25 mA. 80 mA. 40 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By making control springs of large moment of inertia By using a high series resistance By eliminating the control springs By using a low resistance shunt By making control springs of large moment of inertia By using a high series resistance By eliminating the control springs By using a low resistance shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Permanent magnet moving coil Hot wire Dynamometer Moving iron Permanent magnet moving coil Hot wire Dynamometer Moving iron ANSWER DOWNLOAD EXAMIANS APP