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Electrician
Electrician Set-2
DC Motor
13

DC Motor MCQ with Answers

13) Which speed control methods offers below normal speed in DC shunt motor?

Field control method

Voltage control method

Armature control method

Ward Leonard system of speed control

Answer is:

Armature control method

DC Motor MCQ with Answers

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Related DC Motor MCQ with Answers

14) Why starters are required to start D.C motors in industries?

Regulate the field voltage

Reduce the armature current

Control the armature reaction

Smooth operation of motors

Answer is:

Reduce the armature current

15) Which insulating material belongs to class ?B? insulation?

Cotton

Bamboo

Fiber glass

Leatheroid paper

Answer is:

Fiber glass

16) What is the temperature value of class ?F? insulation?

90 Degree Centigrade

105 Degree Centigrade

120 Degree Centigrade

155 Degree Centigrade

Answer is:

155 Degree Centigrade

17) Which type of D.C motor is used for constant speed drives?

DC series motor

DC shunt motor

Differential long shunt compound motor

Differential short shunt compound motor

Answer is:

DC shunt motor

DC Motor MCQ with Answers

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