MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Machines knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why is the air gap between stator and rotor should be kept as small as mechanically possible in induction motor? |
| A. | to reduce the leakage flux between stator and rotor |
| B. | as it leads to better operating power factor of the induction motor |
| C. | reduce the eddy current losses |
| D. | both, to reduce leakage flux between stator and rotor, and also for better operating power factor |
| Answer» E. | |
| 2. |
Armature winding is one in which working ___________ |
| A. | flux is produced by field current |
| B. | flux is produced by the working emf |
| C. | emf is produced by the working flux |
| D. | emf is produced by the leakage flux |
| Answer» D. emf is produced by the leakage flux | |
| 3. |
Field winding carries which of the following current? |
| A. | exciting current only |
| B. | load current only |
| C. | both exciting current and load current |
| D. | none of the mentioned |
| Answer» B. load current only | |