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MEO Class II – MET : 2012/MAR/05 – 2015/JUN/05 – 2017/FEB/05 – 2018/JAN/05 – 2018/JUN/05 – 2021/APR/02 – 2006/APR/** – 2015/JAN/05

Question

Q2. Sketch and describe an arrangement for automatic connection of emergency batteries upon loss of main power. Include in your answer:

A. Means of obtaining D.C. charging supply from a.c. mains;

B. A method of maintaining charge on lead acid batteries;

C. The arrangement to check that a battery operates a loss of main power

D. The length of time for which emergency batteries of passenger and cargo ships must provide power.

Asked in Year/Month/Ques No.

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