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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Mcqs knowledge and support exam preparation. Choose a topic below to get started.
1. |
Selenium rectifier can be operated at temperatures as high as____________? |
A. | 25 C |
B. | 40 C |
C. | 60 C |
D. | 75 C |
Answer» E. | |
2. |
Which of the following mercury arc rectifier will deliver least undulating current? |
A. | Six-phase |
B. | Three-phase |
C. | Two-phase |
D. | Single-phase |
Answer» B. Three-phase | |
3. |
In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. |
A. | Accelerates |
B. | Decelerates |
C. | Any of the above |
D. | None of the above |
Answer» B. Decelerates | |