Consider the following statements relating to the constructional features of a large power transformer:
- The conservator is used to maintain the level of oil in the transformer tank.
- The bushing is used to protect transformer insulation against lightning voltages.
- The Buchholz relay is an overcurrent relay.
- Silica gel is used to absorb moisture.
Which of these statements are correct?
A. 1, 2, 3 and 4.
B. 2 and 3.
C. 1 and 4.
D. 1, 2 and 4
Show Answer
Answer: C
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