Measurement and Instrumentation A power factor meter has One current circuit and one pressure circuit One current circuit and two pressure circuits Two current circuit and one pressure circuit None of the listed here One current circuit and one pressure circuit One current circuit and two pressure circuits Two current circuit and one pressure circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 200 µNm. 100 µNm. 2 µNm. 1 µNm. 200 µNm. 100 µNm. 2 µNm. 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 All of the listed here Most be of low temperature co-efficient Should non magnetic Should have low specific resistance All of the listed here Most be of low temperature co-efficient Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Medium High Infinity Very small Medium High Infinity Very small ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is a recording instrument. an indicating instrument. a controlling instrument. an absolute instrument. a recording instrument. an indicating instrument. a controlling instrument. an absolute instrument. ANSWER DOWNLOAD EXAMIANS APP
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