Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect 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 A is true R is false. Both A and R is true and R is correct explanation of A C. Both A and R is true and R is not correct explanation of A. A is false R is true. A is true R is false. Both A and R is true and R is correct explanation of A C. 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 An instrument to be used for measurement and control should preferably have Non-linear output A highly damped response Dead zone and dead time Linear output and fast response Non-linear output A highly damped response Dead zone and dead time Linear output and fast response ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.7 V. 1.34 V. 1.5 V. 1 V. 1.7 V. 1.34 V. 1.5 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electric pyrometer is an instrument used to measure Phase None of the listed here High temperatures Frequency Phase None of the listed here High temperatures Frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are least time consuming. most simple and least time consuming. most accurate. most simple. least time consuming. most simple and least time consuming. most accurate. most simple. ANSWER DOWNLOAD EXAMIANS APP