Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 2 A. 4.47 A. 5.78 A. 4 A. 2 A. 4.47 A. 5.78 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to By pass the current Increase the sensitivity of the ammeter None of the listed here Increase the resistance of ammeter By pass the current Increase the sensitivity of the ammeter None of the listed here Increase the resistance of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because The precision in measurment is independent of the type of the defector used. It is based on null balance technique. None of above. It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. It is based on null balance technique. None of above. It is possible to standardize before a measurement is undertaken. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Moving iron ammeter Moving iron voltmeter Induction type ammeter Permanent Magnet Type ammeter Moving iron ammeter Moving iron voltmeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 6% ± 2.8% ± 4% ± 3% ± 6% ± 2.8% ± 4% ± 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? VTVM. Moving - coil meter. Thermocouple meter. Moving - iron meter. VTVM. Moving - coil meter. Thermocouple meter. Moving - iron meter. ANSWER DOWNLOAD EXAMIANS APP