Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and magnetic material Conducting and non magnetic material None of the listed here Non conducting and magnetic material Conducting and magnetic material Conducting and non magnetic material None of the listed here Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.6 lag. 0.917 lag. 0.917 lead. 0.6 lead. 0.6 lag. 0.917 lag. 0.917 lead. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. DC current. AC volatge. both AC and DC voltage. DC voltage. DC current. AC volatge. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is not correct explanation of A. A is true R is false. Both A and R is true and R is correct explanation of A C. A is false R is true. Both A and R is true and R is not correct explanation of A. A is true R is false. Both A and R is true and R is correct explanation of A C. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standard resistor ia made from Manganin Platinum Silver Nichrome Manganin Platinum Silver Nichrome ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read - 795 W. - 597 W. + 597 W. + 795 W. - 795 W. - 597 W. + 597 W. + 795 W. ANSWER DOWNLOAD EXAMIANS APP