MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
When two DC series motors are connected in parallel, the resultant speed is __________ |
| A. | More than the normal speed |
| B. | Loss than the normal speed |
| C. | Normal speed |
| D. | Zero |
| Answer» B. Loss than the normal speed | |
| 2. |
When two DC series motors are connected in parallel, the resultant speed is _________? |
| A. | More than the normal speed |
| B. | Loss than the normal speed |
| C. | Normal speed |
| D. | Zero |
| Answer» B. Loss than the normal speed | |
| 3. |
While running two compound motors in parallel, we connect equalizer ring between ___________ |
| A. | Two armatures |
| B. | Two fields |
| C. | Two load points |
| D. | Anywhere |
| Answer» B. Two fields | |
| 4. |
When two compound generators are connected in parallel, when load current in generator 1 is increased __________ |
| A. | Both generator will share same load |
| B. | Generator 1 will start running as motor |
| C. | Generator 2 will be overloaded |
| D. | Generator 2 will start running as motor |
| Answer» E. | |
| 5. |
For a parallel operation of 2 DC shunt generators, we get net external characteristics ___________ |
| A. | Starting from the same no-load point and between generator 1 and generator 2 |
| B. | Starting from the same no-load point and below generator 1 and generator 2 |
| C. | Starting from the same no-load point and above generator 1 and generator 2 |
| D. | Can’t be determined |
| Answer» D. Can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be determined | |
| 6. |
Load sharing of two generators connected in parallel is determined by __________ |
| A. | Internal characteristics |
| B. | External characteristics |
| C. | Both internal and external characteristics |
| D. | It doesn’t depend on load sharing |
| Answer» C. Both internal and external characteristics | |
| 7. |
While connecting two DC generators in parallel, which of the following is not a desirable condition? |
| A. | Same voltage rating |
| B. | Same percentage voltage regulation |
| C. | Same percentage speed regulation of the prime movers |
| D. | Same current rating |
| Answer» E. | |
| 8. |
For connecting two generators in parallel, they should have __________________ |
| A. | Same current rating |
| B. | Same ohmic rating |
| C. | Same voltage rating |
| D. | All ratings must be same |
| Answer» D. All ratings must be same | |