Electrical Engineering Questions And Answers :: Dc Motors: part3



Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part3 : 11 to 15

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.Following motor is used where high starting torque and wide speed range control is required.

Single phase capacitor start
Induction motor
Synchronous motor
D.C. motor

12.At the instant of starting when a D.C. motor is put on supply, it behaves like

a highly resistive circuit
a low resistance circuit
a capacitive circuit
none of the above

13.As -the load is increased the speed of D.C. shunt motor will

reduce slightly
increase slightly
increase proportionately
remains unchanged

14.In D.C. machines the residual magnetism is of the order of

2 to 3 per cent
10 to 15 per cent
20 to 25 per cent
50 to 75 per cent

15.The armature voltage control of D.C. motor provides

constant torque drive
constant voltage drive
constant current drive
none of the above

More Dc Motors QUESTIONS AND ANSWERS available in next pages

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