Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping Eddy current damping Air friction damping None of these Fluid friction damping Eddy current damping Air friction damping None of these 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. 200 µNm. 100 µNm. 1 µNm. 2 µNm. 200 µNm. 100 µNm. 1 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of shunt. both A and B. resistance of shunt winding. resistance of ammeter. resistance of shunt. both A and B. resistance of shunt winding. resistance of ammeter. 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 correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. Both A and R is true and R is correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Environmental errors Systematic errors Gross errors Random errors Environmental errors Systematic errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display DC signals Both AC and DC signals AC signals Time invariant signals DC signals Both AC and DC signals AC signals Time invariant signals ANSWER DOWNLOAD EXAMIANS APP