DC Motor MCQ with Answers

DC Motor MCQ with Answers

1) Which instrument is used to measure armature winding resistance?

Answer is:

Kelvin bridge

Explanation:

.

2) Which instrument is used to test armature winding for short and open circuit?

Answer is:

External Growler

3) Which winding wire is used for DC field coil?

Answer is:

Super enamelled copper wire

4) How many parallel paths in duplex lap winding in the armature of 4 pole D.C Motor?

Answer is:

8

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

Answer is:

Fleming's left hand rule