Q.25 What benefit does the dynamometer wattmeter have among the following?Ans 1. Less expensive2. Uniform scale3. High Sensitivity4. Consumes less powerCorrect Ans: 2
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Q.47 Which of the following universities won the Maulana Abul Kalam Azad (MAKA) Trophy 2021?Ans 1. University of Rajasthan, Rajasthan 2. Chaudhary Charan Singh University, Uttar Pradesh 3. Kurukshetra University, Haryana4. Panjab University, ChandigarhCorrect Ans: 4
Q.1 Which of the following statements is correct about pure resistive AC circuit?Ans 1. The expression for power is the same as DC circuit.2. Power consumed is always negative.3. Applied voltage and current are out of phase with ...
Q.33 A resistor of 6 Ω and an inductor having inductive reactance of 8 Ω are connected in series to a 250 V, 50 Hz supply. Calculate the active power consumed.Ans 1. 3.75 kW2. 3.75 kVAR3. 4.99 kW4. ...
Q.3 The pipe electrode used for earthing shall not be less than the minimum length requirement of __________.Ans 1. 4 m2. 3.5 m3. 3 m4. 2.5 mCorrect Ans: 4
Q.14 Reverse saturation current _______________ for every 10°C rise in temperature.Ans 1. reduces by one-third2. doubles3. becomes three times4. halvesCorrect Ans: 2
Q.44 Which of the following statement regarding the various parts in a three-point starter is correct?Ans 1. A No Volt Release coil magnetises the holding coil during open circuit of the shunt field.2. The field circuit and hold ...
Q.40 Who among the following was the head of the Indian Statutory Commission of 1928?Ans 1. Clement Richard Attlee 2. Sir John Allsebrook Simon 3. John Gilbert Simon 4. Jan David Simon Correct Ans: 2
Q.15 The equation for active power in a three-phase star connected circuit is:Ans 1.2.3.4.Correct Ans: 4
Q.23 A 415 V, three-phase star connected alternator supplies a delta connected load, each phase of which has an impedance of (86∠54.460) Ω. Calculate kVA rating of the alternator, neglecting losses in the line between the alternator and ...
