Q.57 A current transformer (CT) has a rating of 400/5 A. Its magnetising and loss components of the exciting current are 6 A and 4 A, respectively, and its burden is purely resistive. The transformation ratio of this ...

Q.54 Which of the following is a condition for maximum starting torque?Ans A. Rotor resistance per phase = 0.5 × Standstill rotor reactance per phaseB. Rotor resistance per phase = 2 × Standstill rotor reactance per phaseC. Rotor ...

Q.61Ans A.B.C.D.Correct Ans Provided: B

Q.59Ans A.B.C.D.Correct Ans Provided: A

Q.53 How many diodes are present in a single phase, full-wave, mid-point convertor?Ans A. 2B. 4C. 6D. 3Correct Ans Provided: A

Q.51Ans A.B.C.D.Correct Ans Provided: C

Q.52 Which of the following statements is correct?Ans A. Oscillators convert AC power to DC power.B. Oscillators convert DC power to AC power.C. Oscillators convert electrical power to mechanical power.D. Oscillators convert mechanical power to electrical power.Correct Ans ...

Q.62Ans A.B.C.D.Correct Ans Provided: A

Q.55 A 3-phase full wave bridge rectifier yields ______ diodes.Ans A. sixB. eightC. threeD. fourCorrect Ans Provided: A

Q.60Ans A.B.C.D.Correct Ans Provided: C