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单选题 If the coolant temperature of a closed cooling water system for a diesel engine gradually increases, the trouble usually is ______
学科：轮机英语
时间：2023-11-15 19:06:08
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题目1单选题
____ allows for expansion and water make up in the water cooling systemA. A top tankB. A head tankC. A head valveD. A drain tank
题目2单选题
A separate piston cooling system is used _____ any contamination from piston cooling glands to the piston cooling system onlyA. to helpB. to limitC. to protectD. to remove
题目3单选题
A separate piston cooling system is used to limit any contamination ____ piston cooling glands_____ the piston cooling system onlyA. between, toB. either, orC. from, toD. neither, nor
题目4单选题
Air cocks, usually positioned at the _____ in a circulating system, is used to get rid of the air in the systemA. bending jointB. expansion tankC. weldD. the highest point
题目5单选题
Constant cooling the various components of diesel engine has a number of functions except for _____A. good lubricationB. low thermal stressC. good mechanical propertiesD. acid corrosion
题目6单选题
Cooling enables the engine metals _____ their mechanical propertiesA. to retainB. to remainC. to maintenanceD. to have
题目7单选题
Cooling of engine is achieved by circulation a cooling liquid around internal passages within the _____A. boilerB. heaterC. engineD. cooler
题目8单选题
Cooling of engines is achieved by ______ a cooling liquid around internal passages within the engineA. flowedB. flowingC. mixingD. circulating
题目9单选题
Cooling of engines is achieved by circulating a cooling liquid around internal _____ within the engineA. airB. passagesC. pipesD. means
题目10单选题
Cylinder liner cooling is often referred to as _____A. piston coolingB. sleeve coolingC. central coolingD. jacket cooling
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