Electrical Engineering Questions And Answers :: Dc Motors: part2

Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

16.In case of conductively compensated D.C. series motors, the compensating winding is provided

as separately wound unit
in parallel with armature winding
in series with armature winding
in parallel with field winding

17.Which of the following load normally needs starting torque more than the rated torque?

Air compressors
Centrifugal pumps

18.Which D.C. motor has got maximum self loading property?

Series motor
Shunt motor
Cumulatively compounded 'motor
Differentially compounded motor

19.A three point starter is considered suitable for

shunt motors
shunt as well as compound motors
shunt, compound and series motors
all D.C. motors

20.If the supply voltage for a D.C. motor is increased, which of the following will decrease ?

Starting torque
Operating speed
Full-load current
All of the above

More Dc Motors QUESTIONS AND ANSWERS available in next pages

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