Electrical Engineering Questions And Answers :: Dc Motors: part2



Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.The current drawn by the armature of D.C. motor is directly proportional to

the torque required
the speed of the motor
the voltage across the terminals
none of the above

2.The power mentioned on the name plate of an electric motor indicates

the power drawn in kW
the power drawn in kVA
the gross power
the output power available at the shaft

3.The speed of a D.C. series motor is

proportional to the armature current
proportional to the square of the armature current
proportional to field current
inversely proportional to the armature current

4.The ratio of starting torque to full-load torque is least in case of

series motors
shunt motors
compound motors
none of the above

5.In D.C. motor which of the following can sustain the maximum temperature rise?

Slip rings
Commutator
Field winding
Armature winding

More Dc Motors QUESTIONS AND ANSWERS available in next pages

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