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.Management Sciences
A. self restoring property of mercury
B. high ionization potential
C. energy spent in overcoming the electrostatic field
D. high temperature inside the rectifier
Related Mcqs:
- Ageing of a selenium rectifier may change the output voltage by__________?
- A. 5 to 10 per cent B. 15 to 20 per cent C. 25 to 30 per cent D. none of the above...
- Copper oxide rectifier is usually designed not to operate above___________?
- A. 10°C B. 20°C C. 30°C D. 45°C...
- The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following_____________?
- A. anode drop and cathode drop B. anode drop and arc drop C. cathode drop and arc drop D. anode drop, cathode drop and arc drop...
- If cathode and anode connections in a mercury arc rectifier are inter changed_____________?
- A. the rectifier will not operate B. internal losses will be reduced C. both ion and electron streams will move in the same direction D. the rectifier will operate at reduced efficiency...
- Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required ?
- A. Motor-generator set B. Motor converter C. Rotary converter D. Mercury arc rectifier...
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