Electrical Questions For Interview | Electrical Questions In Interview | Electrical Questions

Electrical Questions For Interview | Electrical Questions In Interview | Electrical Questions | 6

Electrical Questions For Interview , Electrical Questions In Interview , Electrical Questions , Electrical Questions And Answers , Electrical Basic Questions And Answers In pdf

Here Only Five Questions !! If You Want More Questions Than Read More Post Which Given At Bottom Of Page For More Questions

1. In a capacitor start single-phase motor, when capacitor is replaced by a resistance

(a) torque will increase

(b) the motor will consume less power

(c) motor will run in reverse direction

(d) motor will continue to run in same direction

Ans: d

2. The power factor of a single-phase induction motor is usually

(a) lagging

(b) always leading

(c) unity

(d) unity to 0.8 leading

Ans: a

3. A shaded pole motor can be used for

(a) toys

(b) hair dryers

(c) circulators

(d) any of the above

Ans: d

4. A hysteresis motor works on the principle of

(a) hysteresis loss

(b) magnetization of rotor

(c) eddy current loss

(d) electromagnetic induction

Ans: a

5. Which of the following motor will give the highest starting torque ?

(a) D.C. shunt motor

(b) Schrage motor

(c) Repulsion start and induction run motor

(d) Universal motor

Ans: b

6. A universal motor can run on

(a) A.C. only

(6) D.C. only

(c) either A.C. or D.C.

(d) none of the above

Ans: c

7. Which of the following single-phase motors is suitable for timing and control purposes ?

(a) Reluctance motor

(b) Series motor

(c) Repulsion motor

(d) Universal motor

Ans: a

8. Single phase induction motor usually operates on

(a) 0.6 power factor lagging

(b) 0.8 power factor lagging

(c) 0.8 power factor leading

(d) unity power factor

Ans: a

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