M

Mr. Dubey • 100.64K Points
Coach

Q. motor. The maximum allowable current is 55 A and the minimum current is about 35 A. The armature resistance of the motor is 0.4 Ω. What will be the number of sections of starter resistance required?

  • (A) 5
  • (B) 4
  • (C) 6
  • (D) 8
Share
Explanation by: Mr. Dubey
i1=55 a, i2 =35 a

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Related MCQs

Q. Two parallel opposed, infinite black planes are maintained at 300?C and 400?C respectively. If the temperature difference is doubled by increasing the

Q. The factor which affects the critical speed of a shaft is

Q. The size of a steam engine is 200 x 250 - 300 r.p.m. In this 200 indicates

Q. In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

Q. During preliminary test run of an engine for 7 hours cycles if the engine stops after operating for 5 hours then

Q. Based upon the nature of heat exchange process, the heat exchangers are classified into how many categories

Q. Which of the following is a must in food labeling?

Q. For a distillation column operating at minimum reflux, the

Q. The maximum velocity of a body in SHM with amplitude of 150 mm and a frequency 2 vibrations/sec is equal to

Q. A steam turbine in which a part of the steam turbine after partial expansion is used for process heating and the remaining steam is further expanded f

Question analytics