Electrical Questions | Electrical Questions And Answers | Electrical Basic Questions And Answers In pdf

Electrical Questions | Electrical Questions And Answers | Electrical Basic Questions And Answers In pdf | 8

Electrical Questions , Electrical Questions And Answers , Electrical Basic Questions And Answers In pdf , Electrical Engineering Questions , Electrical Engineering Objective Questions

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

1. 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

2. 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

3. 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

4. In split-phase motor auxiliary winding is of

(a) thick wire placed at the bottom of the slots

(b) thick wire placed at the top of the slots

(c) thin wire placed at the top of the slots

(d) thin wire placed at the bottom of the slots

Ans: c

5. Which of the following motors will operate at high power factor ?

(a) Shaped pole motor

(b) Split phase motor

(c) Capacitor start motor

(d) Capacitor run motor

Ans: d

6. The motor used on small lathes is usually

(a) universal motor

(b) D.C. shunt motor

(c) single-phase capacitor run motor

(d) 3-phase synchronous motor

Ans: c

7. Which of the following motors is preferred for tap-recorders ?

(a) Shaded pole motor

(b) Hysteresis motor

(c) Two value capacitor motor

(d) Universal motor

Ans: b

8. A single-phase induction motor is

(a) inherently self-starting with high torque

(b) inherently self-starting with low torque

(c) inherently non-self-starting with low torque

(d) inherently non-self-starting with high torque

Ans: c

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