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Dc Motors Mcqs, this topic has 131 mcqs, It takes five to ten minutes to complete this free dc motors mcqs test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "dc motors mcqs" MCQs and share with your friends, brothers, sisters.
dc motors mcqs (Total Quiz: 131)
MCQ: Ward Leonard method of speed control is basically a______________?
- field control method
- armature controlled method
- field diverter
- frequency control method
B
MCQ: Which of the following test can be performed on DC series motor?
- Swinburne test
- Hopkinson test
- Brake test
- Field test
D
MCQ: Armature reaction in dc motor results___________?
- decrease in speed
- increase in speed
- short circuit
- open circuit
B
MCQ: In a DC motor the inter-pole winding is connected in________________?
- series with field winding
- series speed armature winding
- parallel big field winding
- parallel with armature winding
B
MCQ: A dc series motor should not be started on no load because it would___________?
- not develop starting torque
- fail to start without load
- run at dangerously high speed
- draw more current without producing sufficient torque
C
MCQ: Which of the following method is used for the speed control of DC shunt motor?
- voltage control method
- flux control method
- rheostat control method
- all of the above
D
MCQ: If the field winding resistance of a DC shunt motor is increases, its speed will____________?
- decreases
- increases
- remains same
- none of the above
B
MCQ: With the increase in temperature, the speed of DC series motor______________?
- decreases
- increases
- remain same
- none of the above
A
MCQ: With the increase in temperature, the speed of DC shunt motor____________?
- decreases
- increases
- remain same
- none of the above
B
MCQ: In which of the following device the generated emf and armature current are in the opposite directions?
- dc generator
- dc motor
- transformer
- all of the above
B
Related Keywords
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