MCQOPTIONS
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MCQOPTIONS
This section includes 354 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
A ferro resonant transformer regulation is also known as |
| A. | Constant current transformer |
| B. | Constant voltage transformer |
| C. | Variable current transformer |
| D. | Variable voltage transformer |
| Answer» B. Constant voltage transformer | |
| 352. |
A differential relay comparator used for the protection of three phase transformers has |
| A. | One comparator |
| B. | Two comparator |
| C. | Three comparator |
| D. | Six comparator |
| Answer» D. Six comparator | |
| 353. |
A d.c. shunt generator delivers 190 A at a terminal voltage of 220 V. The copper losses and stray losses are 2000 W and 1000 W respectively. The efficiency of the generator is |
| A. | 91.35 % |
| B. | 92.60 % |
| C. | 93.30 % |
| D. | 94.23 % |
| Answer» D. 94.23 % | |
| 354. |
A constant voltage transformer is fed with the sinusoidal input voltage. Its output is |
| A. | Sinusoidal |
| B. | Flat topped |
| C. | Saw tooth |
| D. | Zig-zag |
| Answer» C. Saw tooth | |