Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Instrument transformer. Energy meter. Power factor meters. Wattmeters. Instrument transformer. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Positive None of the listed here Negligible Negative Positive None of the listed here Negligible Negative ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic field intensity. Magnetic potential. Relative permeability. Flux density. Magnetic field intensity. Magnetic potential. Relative permeability. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ballastic galvanometer Flux meter Ammeter Voltmeter Ballastic galvanometer Flux meter Ammeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% 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 0.05V 0.01V 0.25V 0.01V 0.05V 0.01V 0.25V 0.01V ANSWER DOWNLOAD EXAMIANS APP
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