Measurement and Instrumentation In a CRO which of following is not a part of electron gun? X-Y plates Accelerating anode Grid Cathode X-Y plates Accelerating anode Grid Cathode ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge is balanced for some specified value of R1, R2, R3. The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge is balanced for some specified value of R1, R2, R3. The bridge can not be balanced. 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 wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 25 V. 200 V. 100 V. 50 V. 25 V. 200 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lead. 0.917 lag. 0.6 lag. 0.6 lead. 0.917 lead. 0.917 lag. 0.6 lag. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meters has a linear scale? Hot wore meter Moving iron meter Moving coil meter Thermocouple meter Hot wore meter Moving iron meter Moving coil meter Thermocouple meter ANSWER DOWNLOAD EXAMIANS APP
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