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ETO – ETO – Section 1 : 2022/FEB/02

Question

Q2. a) Briefly Explain Intrinsically safe circuit and Explosion proof circuit. (6)

b) What is EXD and EXI? Where they are used onboard ship. (3)

c) What all Intrinsically safe equipment used on Deck, explain how they are Intrinsically safe. (3)

d) What is Zener Barrier? How flame and explosion contained inside the enclosure. (4)

Asked in Year/Month/Ques No.

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