Q. DC series motor are used in those applications where ____ is required.
✅ Correct Answer: (A)
high statring torque
Electrical and Electronics Engineering MCQs | Page - 4
Dear candidates you will find MCQ questions of Electrical and Electronics Engineering here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Cumulatively compounded motors are used where we require _____.
✅ Correct Answer: (C)
sudden heavy loads for short duration
Q. ____ motors never use belt- connected loads.
✅ Correct Answer: (A)
series
Q. For 20% increase in current, the motor that will give the greastest increase in torque is ___ motor
✅ Correct Answer: (B)
series
Q. Each commutator segment is connected to armature conductor by means of ___
✅ Correct Answer: (C)
copper lug
Q. In a 4 pole machine___
✅ Correct Answer: (A)
alternate poles are north and south
Q. If the applied voltage of dc motor is reduced to half with load torque doubled the armature current will be____
✅ Correct Answer: (C)
doubled
Q. Back EMF of DC motor depends on
✅ Correct Answer: (A)
field flux
Q. A DC motor develops torque of the 100Nm at 400 rpm, at 300 rpm a motor will develop torque of___.
✅ Correct Answer: (B)
100nm
Q. A DC series motor is most suitable for _____.
✅ Correct Answer: (A)
cranes
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