All bilge suctions must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor plate level for easy access...

第1题

[] If a m>bilgem> pump failed to build up discharge pressure, you should check for （）.

A、A.excessive water in the m>bilgem>s B、B.a clogged suction strainer C、C.oil in the m>bilgem>s D、D.m>Allm> of the above

第2题

[单选题] If a m>bilgem> pump is able to develop vacuum, but is unable to sufficiently pump out the m>bilgem>s, you would check for m>allm> of the following EXCEPT （）.

A、the circuit breaker B、for leaks in the suction piping C、relief valve is not properly seated D、the suction strainer

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第3题

[单选题] An independent m>bilgem> suction is required for （）.

A、bm>allm>ast tanks B、sludge tanks C、machinery space m>bilgem>s D、cargo hold m>bilgem>s

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第4题

[单选题] The emergency m>bilgem> suction valve is typicm>allm>y used （）.

A、to inject cleaning additives when the m>bilgem>s are extremely dirty B、when the main condenser becomes fouled, in order to provide additional cooling water circulation C、to connect the rose box to the independent m>bilgem> suction D、if the m>bilgem>s become flooded and they can not be emptied by any other means

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第5题

[单选题] m>Allm> m>bilgem> suction must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor-plate level for easy access.

A、strainers B、valves C、elements D、separators

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第6题

[单选题] The emergency m>bilgem> suction or m>bilgem> injection valve is used to prevent （） of the ship.

A、proceeding B、overloading C、collision D、flooding

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第7题

[单选题] The emergency m>bilgem> suction or m>bilgem> （） is used to prevent flooding of the ship.

A、injection valve B、relief valve C、discharge valve D、inlet filter

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第8题

[单选题] Accidental flooding of the engine room m>bilgem>s by the m>bilgem> main is prevented by （）.

A、stop-check valves instm>allm>ed in the m>bilgem> manifolds B、using a positive displacement reciprocating m>bilgem> pump C、instm>allm>ing eductors in m>allm> m>bilgem> rose boxes D、instm>allm>ing a swing check before each m>bilgem> valve

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第9题

[] A m>bilgem> suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）

A、A.one B、B.two C、C.three D、D.four

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All bilge suctions must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor plate level for easy access.

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