MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Dc Machines knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If higher terminal voltage is applied to PMDC what will happen? |
| A. | Speed at 0 torque will be reduced |
| B. | Torque at 0 speed will be reduced |
| C. | Torque at 0 speed will be increased |
| D. | Torque will remain constant |
| Answer» D. Torque will remain constant | |
| 2. |
PMDC gives better speed regulation than DC shunt motor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
PMDC produces high torque on ______________ |
| A. | At low speeds |
| B. | Only at maximum speed |
| C. | Torque is constant |
| D. | Cannot say |
| Answer» B. Only at maximum speed | |
| 4. |
Speed-torque characteristic of PMDC motors is _______________ |
| A. | Starting from zero increasing continuously |
| B. | Starting from some positive value and remaining constant |
| C. | Starting from some positive value and decreasing exponentially |
| D. | Starting from some positive value and decreasing on straight line |
| Answer» E. | |