Measurement and Instrumentation The dynamometer principle can be used for wattmeter only. ammeter only. voltmeter only. ammeter, voltmeter and wattmeter. wattmeter only. ammeter only. voltmeter only. ammeter, voltmeter and wattmeter. 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 One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 1000 mWb. 225 mWb. 450 mWb. 0. 1000 mWb. 225 mWb. 450 mWb. 0. 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 100 µNm. 2 µNm. 200 µNm. 1 µNm. 100 µNm. 2 µNm. 200 µNm. 1 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can be balanced if the resistance have some specific values The bridge cannot be balanced None of the listed here The bridge can always be balanced The bridge can be balanced if the resistance have some specific values The bridge cannot be balanced None of the listed here The bridge can always be balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Cathode Accelerating anode Grid X-Y plates Cathode Accelerating anode Grid X-Y plates ANSWER DOWNLOAD EXAMIANS APP
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