MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Machines Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A 3-phase induction motor is operating at slip ‘s’. If the slip is reversed, its slip at the instant will be _________ |
| A. | 2-s |
| B. | zero |
| C. | 2+s |
| D. | 1-s |
| Answer» B. zero | |
| 2. |
If the three phase supply is fed to the rotor and it is running at its normal operating conditions. Then the synchronous speed can be defined as speed at which? |
| A. | stator magnetic field rotates |
| B. | rotor magnetic field rotates |
| C. | rotor rotates |
| D. | flux is set up in the rotor |
| Answer» C. rotor rotates | |
| 3. |
Rotor leakage reactance for a three phase slip ring induction motor with slip ‘s’ is? |
| A. | s(x2) |
| B. | (x2)/s |
| C. | x2 |
| D. | (x2)(s2) |
| Answer» B. (x2)/s | |