M

Mr. Dubey • 52.30K Points
Coach 

Q. (II) If a large 3–phase squirrel-cage induction motor with no load is started at full voltage, it will be damaged.

(A) i is true, ii is false
(B) i is true and ii is also true
(C) i is false, ii is true
(D) i and ii are false
Correct : Option (A)

Explanation: 
 large current of short duration are not harmful to induction motor but it may cause voltage drop in the power supply.

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. In a radial cam, the follower moves

Q. Compressibility factor Z is given by

Q. The available energy is known as and the unavailable energy is known as

Q. What is the most common source of penetrant bath contamination?

Q. The trunions of a mixing machine have an effective length of 30 cm and the weight coming on each trunion is 1250 kg. If the fibre stress is not to exc

Q. For which of the following design factor of

Q. Which of the following could be the source of random error in an instrument?

Q. DC motor is still widely used in tractions due to its excellent braking properties.

Q. When considering a finite energy source, its working fluid expands,

Q. The concentration of a hydrophilic emulsifier may be measured by: