Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Spring Eddy currents All of the listed here Gravity Spring Eddy currents All of the listed here Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Air friction damping Spring coil damping Fluid friction damping Eddy current damping Air friction damping Spring coil damping Fluid friction damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very light Either light or heavy Very heavy None of the listed here Very light Either light or heavy Very heavy None of the listed here 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 false R is true. A is true R is false. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is false R is true. A is true R is false. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Mean value Rms value Measured value Full-scale value Mean value Rms value Measured value Full-scale value ANSWER DOWNLOAD EXAMIANS APP
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