Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is none of above. 1. 0. 0.5. none of above. 1. 0. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 3.0% ± 1.5% ±3.5% ±0.5% ± 3.0% ± 1.5% ±3.5% ±0.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is 270 bar. 260 bar. 10 bar. 250 bar. 270 bar. 260 bar. 10 bar. 250 bar. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for None of the listed here Both AC and DC AC work only DC work only None of the listed here Both AC and DC AC work only DC work only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter Moving iron ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Spring Gravity Coil Eddy current Spring Gravity Coil Eddy current ANSWER DOWNLOAD EXAMIANS APP
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