Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Energy meter. Instrument transformer. Power factor meters. Wattmeters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Flux density. Relative permeability. Magnetic field intensity. Magnetic potential. Flux density. Relative permeability. Magnetic field intensity. Magnetic potential. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for Both AC and DC DC work only AC work only None of the listed here Both AC and DC DC work only AC work only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1% ± 1.5% ± 2.5% ± 3.5% ± 1% ± 1.5% ± 2.5% ± 3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Derived units Supplementary units Units used to measure charge Base units Derived units Supplementary units Units used to measure charge Base units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 40 mA. 25 mA. 80 mA. 50 mA. 40 mA. 25 mA. 80 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
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