更多"In twin-screw engine installations "的相关试题:
[单项选择]Just after stopping the engine while the oil is still circulating.Check that uniform oil jets appear from all the oil outlet grooves in the crosshead bearing lower shell and the guide shoes.The oil flow from （） must be compared from unit; there should be a similarity in the flow patterns.
A. the piston cooling oil return pipes
B. the main and crankpin bearings
C. thrust and intermediate bearings
D. stern tube and thrust bearings
[单项选择]In modern installations, the main engine and the standby auxiliary engines（）
A. can be started at low temperature and are free from preheating
B. usually are preheated by steam before being started
C. are kept at a constant temperature and free from preheating
D. are kept at a low temperature to save energy
[单项选择]While engine is in operation the piston moves up and down, thus causing the rotation of the （）.
A. crankcase
B. slipper
C. cam housing
D. crankshaft
[单项选择]While working in the engine room, you hear seven short blasts followed by one long blast on the ships whistle, supplemented by the same signal on the general alarm bellsYou should （）.
A. start the fire pump to charge the fire main
B. standby the main console and await orders from the engineer on watch
C. go to your fire station
D. go to your lifeboat station
[单项选择]While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?（）
A. Secure the burners then proceed to your assigned boat station
B. Start the fire pump and establish flow to the fire main
C. Open the guardian valve and standby to maneuver
D. Open the master control valves on the fixed CO2 system
[单项选择]Information from the stations and installations shall be appropriatelysharedby（）.
A. all crew members
B. all the watchkeeping personnel
C. all passengers
D. all visitors
[单项选择]In many installations basket strainers consist of a cylindrical container in which a perforated metal or wire basket is suspendedThe bold and italic word “which” means （）.
A. installations
B. basket strainers
C. a cylindrical container
D. a metal or wire basket
[单项选择]I am m intaining my course and speed. You can（）ahead of me.
A. overtake
B. pass
C. leave
D. come
[单项选择]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A. open the bypass line
B. cut in the lube oil cooler
C. pressurize the lube oil system
D. top off the expansion tank
[单项选择]If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
A. at each control station
B. in the chief engineer’s quarters
C. in the captains quarters
D. All of the above are correct
[单项选择]Anchor（） are used in some installations where the cable lifter rotates about a vertical axis.
A. windlasses
B. drums
C. capstans
D. warp ends
[单项选择]A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.
A. as much fuel as
B. less fuel than
C. less fuel as
D. more fuel than
[单项选择]Such an engine frame helps （） the engine and so protect the bearings from the deformation forces transmitted via the ships double bottom.
A. to stiffen
B. to soften
C. to loosen
D. to wear
[单项选择]I am maintaining my course and speed. You can（）ahead of me.
A. overtake
B. pass
C. leave
D. come
[单项选择]Engine coolant accumulating in the diesel engine lubricating oil can result from a （）
A. low oil pressure
B. high coolant pressure
C. leaking fuel injector
D. cracked cylinder head or liner
[单项选择]A diesel engine is similar to a gasoline engine except that the former has no （）.
A. cross-head
B. cylinder
C. connecting rod
D. spark plug
[单项选择]Before starting an engine by air, the engine must（）
A. be turned by a turning gear for at least one minute
B. be turned by a turning gear for at least two minutes
C. be turned at least one complete turn
D. be turned at least two complete turns
[单项选择]C语言的do-while循环中，循环由do开始，用while结束；而且在while表达式后面的（）不能丢，它表示do-while循环的结束
A. /n
B. “；”
C. “%”
D. “，”
