更多"The engine（）smoke and steam."的相关试题:
[单项选择]Black smoke exhausting from a diesel engine indicates（）
A. proper fuel injection
B. water in the fuel
C. incomplete combustion
D. burning of lube oil
[单项选择]A diesel engine emits blue exhaust smoke as a result of（）
A. cold intake air
B. excessive compression pressure
C. excessive cylinder lubrication
D. a light load
[单项选择]White smoke exhausting from a diesel engine can be caused by （）
A. low combustion temperature
B. a leaking fuel nozzle check valve
C. late fuel injection
D. plugged oil-scraper ring hole
[单项选择]White smoke exhausting from a diesel engine can result from （）
A. high exhaust temperature
B. high lube oil temperature
C. low turbo-charger speed
D. low cooling water temperature
[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]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]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]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]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]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]High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.
A. engine overload
B. low combustion temperature
C. plugged fuel nozzle holes
D. excessive compression pressure
[单项选择]（） the engines, the diesel engine is（） used engine on board.
A. Between；more commonly
B. Among；the most commonly
C. Between；not more commonly
D. Among；not the most commonly
[单项选择]Nobody（）to smoke in the cinema
A. allow
B. allows
C. is allowed
D. are allowed
[单项选择]Distress flares and smoke signals for small passenger vessels（）.
A. are not required aboard vessels on runs of less than 30 minutes duration
B. must be Coast Guard approved and stowed in a portable，watertight container
C. must be marked with an expiration date not more than 42 months from the date of manufacture
D. All of the above
[单项选择]White smoke exhausting from an operating diesel engine may indicate （）.
A. a cracked liner
B. burning lube oil
C. an overloaded engine
D. insufficient combustion air
[单项选择]Steam smoke will occur when（）.
A. Extremely cold air from shore passes over warmer water
B. Warm dry air from shore passes over cooler water
C. Cold ocean water evaporates into warm air
D. Cool rain passes through a warm air mass
[单项选择]Black smoke exhausting from an operating diesel engine can be caused by （）
A. fuel dribbling from leaking fuel injectors
B. burning fuel with a high carbon content
C. burning fuel with a high vanadium content
D. burning fuel with a lower sulphur content
