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. |
There is a 10 KVA, 2000/200 V, single phase transformer having below following parameters are r1=10Ω, r2=0.1Ω, l1 = 40mH, l2=0.4 mH, M = 10H. Then the expected secondary self inductance will be? |
| A. | 100.04H |
| B. | 99.06H |
| C. | 1.0004H |
| D. | 10.04H |
| Answer» D. 10.04H | |
| 2. |
Consider a 10 KVA, 2000/200 V, single phase transformer having below following parameters are r1=10Ω, r2=0.1Ω, l1 = 40mH, l2=0.4 mH, M = 10H. Then the expected primary self inductance will be? |
| A. | 100.04H |
| B. | 99.06H |
| C. | 1.0004H |
| D. | 10.04H |
| Answer» B. 99.06H | |
| 3. |
Transients currents are maximum in the transformer when it is switched on with secondary ______ and when input voltage wave is passing through ________ |
| A. | open, zero |
| B. | open, peak |
| C. | closed, zero |
| D. | closed, peak |
| Answer» B. open, peak | |