Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.023mA 0.007mA 0.1mA 0.05mA 0.023mA 0.007mA 0.1mA 0.05mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC current. both AC and DC voltage. AC volatge. DC voltage. DC current. both AC and DC voltage. AC volatge. DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Should have low specific resistance Most be of low temperature co-efficient All of the listed here Should non magnetic Should have low specific resistance Most be of low temperature co-efficient All of the listed here Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.05V 0.01V 0.25V 0.01V 0.05V 0.01V 0.25V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS