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ITI
Electrician
Electrician Set-2
DC Motor
5

DC Motor MCQ with Answers

5) Which rule determines the direction of rotation of armature in D.C motor?

Right hand grip rule

Right hand palm rule

Fleming's left hand rule

Fleming's right hand rule

Answer is:

Fleming's left hand rule

DC Motor MCQ with Answers

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Related DC Motor MCQ with Answers

6) Which rule determines the direction of current in D.C motor?

Right hand grip rule

Right hand palm rule

Fleming's left hand rule

Fleming's right hand rule

Answer is:

Fleming's left hand rule

7) Which rule is applied to identify the direction of flux in DC motor?

Cork's screw rule

Right hand grip rule

Fleming's left hand rule

Fleming's right hand rule

Answer is:

Fleming's left hand rule

8) What is the name of winding, if coil pitch is less than pole pitch?

Full pitch winding

Half pitch winding

Long chorded winding

Short chorded winding

Answer is:

Short chorded winding

9) What is the purpose of series resistor connected with holding coil in a D.C four point starter?

Limit the current in holding coil

Increase the current in holding coil

Increase the voltage in holding coil

Decrease the voltage in holding coil

Answer is:

Limit the current in holding coil

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