更多"Of a kind of liquid is used to cool"的相关试题:
[单项选择]Because of the close tolerances used in diesel engine fuel oil pumps, a worn plunger requires（）
A. grinding the spare plunger to the barrel
B. replacing the plunger and the barrel
C. highly polishing both the plunger and barrel
D. replacing plunger only
[单项选择]Diesel oil may be used to cool （） of a diesel engine.
A. cylinders
B. exhaust valves
C. pistons
D. fuel valves
[单项选择]What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?（）
A. a straight-through cable
B. an EIA/TIA-232 serial cable
C. an auxiliary cable
D. a modem cable
E. a cross-over cable
[单项选择]VHF Channel 6 is used exclusively for what kind of communications?（）
A. Radio checks and time checks
B. Inter-vessel safety and search and rescue
C. Working with helicopters
D. Radio direction finding
[单项选择]ENG1及ENG2的反推使用（）
A. ENG1用SYSA及SYSB
B. ENG2用SYSA及备用
C. ENG1用sysA及备用
D. ENG2用SYSA及SYSBC
[单项选择]Which statement concerning an automatic towing engine is FALSE? （）
A. It automatically maintains tow line tension
B. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in
C. As tension on the hawser increases，more line is taken in by the automatic towing engine
D. As tension on the hawser decreases，more line is taken in by the automatic towing engine
[单项选择]Diesel engine mufflers or silencers reduce the engine exhaust noise by （）
A. passing the exhaust through long head pipes
B. diffusing exhaust vibrations through activated carbon baffles
C. increasing the exhaust gas velocity
D. reducing the exhaust gas velocity
[单项选择]One method of constructing large marine diesel engines and reducing the total engine frame weight is through （）.
A. casting interlocking components
B. welding plates to form sections for assembly
C. forging integral components
D. case hardening integral components
[单项选择]ENG VALVE CLOSED指哪个活门（）
A. HMV
B. PRSOV
C. HPSOV
D. spar valve
[单项选择]ENG上的火警环路有（）
A. 1个环路
B. 2个环路
C. 3个环路
D. 4个环路
[单项选择]XDPS中ENG级别不能进行（）
A. CRT画面监控
B. 组态
C. 修改功能块
D. DPU软件升级
[单项选择]After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）.
A. low compression
B. air-bound fuel system
C. improper spark
D. change in viscosity
[单项选择]Each cylinder liner on the marine medium speed engines （）.
A. is usually cooled by sea water
B. can be replaced when worn out
C. is in direct contact with the water in the bore of the cylinder
D. can t expand when heated
[单项选择]While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）
A. the bearing had been overheated
B. water was present in the oil
C. the lube oil was not being properly filtered
D. the maximum allowable bearing pressure had been exceeded
[单项选择]ＥＮＧ、ＡＰＵ分别有几个灭火瓶
A. 2个、2个
B. 1个、2个
C. 2个、1个
D. 1个、1个
[单项选择]当PFD上出现黄色ENG时说明：
A. 发动机故障
B. EICAS显示值有误
C. IAC故障
D. PFD故障
[单项选择]ENG VALVE CLOSED灯熄灭，意味着（）
A. 活门开
B. 活门关
C. 活门在转换位
D. 活门故障
[单项选择]You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
A. Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold
B. For a mud，mud and clay，or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake
C. Use one or both anchors with a scope of twice the depth before setting the brake
D. Drop the anchor to short stay and hold that scope
[单项选择]How dose water enter the crankcase of a diesel engine?（）
A. Through the crankcase exhauster
B. As water vapor contained in blow-by
C. Demulsifying lube oil passing through the main bearings
D. Condensation from vapor formed in the expansion tank
