轮机英语【大管甲类】

考试试题

[单选题]Proper filtering and straining of diesel fuel is important because the ____.
[单选题]The fire-fighting practical training should take place in spaces which provide truly realistic training conditions, and whenever possible and practical should be carried out in ____.
[单选题]The oil is drawn from a drain tank through ______ , one of a pair of pumps, into one of fine filters.
[单选题]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should ______.
[单选题]When two D.C. generators operate in parallel, they are protected against motorizing by__________.
[单选题]When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil ______
[单选题]What are the essential services the emergency generator must be rated to provide power for?
[单选题]In which of the following areas of a crosshead engine is a permanently connected fire extinguishing system required?
[单选题]TWO STEP CONTROLER ACTION is mainly__________.
[单选题]____ belongs to emergency power supplying equipments.
[单选题]According to Maritime Labor Convention, 2006, the minimum hours of rest shall not be less than ______.
[问答题]A centrifugal feed pump must not be operated unless it is fully primed. The pump casing should be filled before starting, the suction pipe and pipe branch to the discharge stop valve must also be full. If the water enters the pump suction by gravity, priming is unnecessary and the pump will remain full of water when shut down. To fill the pump, open the small air-valve on the top of the pump casing until water commences to flow, then shut the air-valve. If the pump is operating with a suction lift, it may be primed either from an independent water supply or from the discharge line, or by means of a vent connection or exhauster which will evacuate the pump and suction piping of air. a foot valve must, of cause, he fitted in these cases. The discharge valve and air-valves should be kept closed during the priming of the puny if done by the latter methods.
[问答题]Fuel oil is thought to be one of the main factors, having much to do with the operation and maintenance of an engine. The fuel oil system for a diesel engine can be considered in two parts: the fuel supply and the fuel injection system. When the atomized fuel is injected into the combustion space, ignition is not altogether instantaneous, a definite time lag being measurable between the time of injection and ignition. The period of ignition lag depends, among other factors, on the ignition quality of the fuel and the temperature of the compressed air. (The following 2 questions are based on the passage above.)
[单选题]In the operation of a lube oil clarifier, the position of the oil-water interface should be ____.
[单选题]When starting, a fuel limiter automatically limits the movement of the governor regulating shaft and thereby the _____ of fuel which can be supplied to the engine.
[单选题]Particulate matter (PM) is a complex mixture of inorganic and organic compounds resulting from _______ , partly unburned lube oil, thermal splitting of HC from fuel an lube oil, ash in the fuel and lube oil, sulphate and water.
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第一章 船舶主推进装置
第二章 船舶辅助机械
第三章 船舶电气和自动化
第四章 船舶轮机管理业务
第五章 国际公约、规则
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