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单选题 "________" means"Movement of engine no longer required"
学科：轮机英语
时间：2023-08-13 05:06:09
题目1单选题
"Stand-by an engine"means ________A. "prepare to stop the engine"B. "assemble an engine on its bedplate"C. "make an engine ready for startingD. "dismantle an engine"
题目2单选题
Before a marine diesel engine is started, the cylinders and pistons must be__________A. cooled to appropriate temperatureB. warmed up gradually to appropriate temperatureC. opened up and renewedD. ground and polished
题目3单选题
Before pumping up the crankcase oil, ________ should be worked by hand to minimize corrosive action on the linersA. the indicatorsB. the starting valvesC. the cylinder lubricatorsD. the turning gear
题目4单选题
Prior to starting most medium-speed propulsion diesel engines, which of the procedures listed should be observedA. The expansion tank should be topped offB. The thermostatic water regulating valves should be manually openedC. The fuel filters should be changedD. The engine should be turned over slowly with the indicator cocks open
题目5单选题
Be sure to make the engine turn by _________ before starting and after stoppingA. steering gearB. turning gearC. steering wheelD. turning cycle
题目6单选题
Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to _________A. test the starting systemB. remove condensation from the cylindersC. check the compressionD. check for proper lube oil pressure
题目7单选题
Prior to a ships departure from any port __________ should be checked with deck officer to ensure satisfactory operationA. fire fighting pumpB. the steering gearC. life boat engineD. the donkey engine
题目8单选题
The main purpose of warming up the main engine is___________A. to reduce heat stressB. to reduce low temperature corrosionC. to improve firing and starting performanceD. for fuel saving
题目9单选题
When preparing an engine for running, the cooling water temperature should be__________A. kept at a proper level by a coolerB. raised to about 80℃ by a heaterC. raised graduallyD. lowered to about 60℃
题目10单选题
During the period of the preparations for ME stand-by, which of the following equipment usually be used to heat piston cooling oilA. A oil cooled pistonB. A lubricating oil pumpC. A lubricating oil preheaterD. Cooling oil returns