DC MOTOR - Quiz

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

Megger Multimeter Series type Ohm meter Kelvin bridge

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

Tong Tester Internal Growler External Growler Digital multimeter

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

Super enamelled copper wire Single silk covered copper wire Double silk covered copper wire PVC covered copper winding wire

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

2 4 6 8

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