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ITI
Electrician
Electrician Set-2
DC Motor
43

DC Motor MCQ with Answers

43) What is the purpose of tapes in winding?

Insulate slots

Bind the coils

Wrap the conductor

Insulate exposed conductors

Answer is:

Wrap the conductor

DC Motor MCQ with Answers

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Related DC Motor MCQ with Answers

44) Which type of DC armature winding the front pitch (Y_F) is greater than back pitch (Y_B)?

Lap winding

Wave winding

Progressive winding

Retrogressive winding

Answer is:

Retrogressive winding

45) What reduces the cross sectional area of core material for VA rating?

Dynamo sheet

Low alloy sheet

High alloy sheet

Normal steel sheet

Answer is:

High alloy sheet

46) How to obtain opposite polarity in adjacent poles of a 4 pole DC motor?

Varying the number of turns in coil

Making series connection of coils

Making parallel connection of coils

Making current flow in different direction

Answer is:

Making current flow in different direction

47) Which insulating material used in winding is a highly non -hygroscopic and possess good electrical strength?

Empire cloth

Triplex paper

Millinex paper

Leatheroid paper

Answer is:

Millinex paper

DC Motor MCQ with Answers

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