更多"A bronze bearing liner with a lead-"的相关试题:
[单项选择]A light characteristic of composite group flashing indicates that there is a(n)（）.
A. sharp turn in the channel
B. narrowing in the channel at that point
C. junction in the channel
D. obstruction that must be left to port
[单项选择]Which of the listed cylinder liner surface conditions indicates proper lubrication?（）
A. Dull black appearance
B. Bright appearance
C. Thin layer of lacquer
D. Thick oily film
[单项选择]A properly honed diesel engine cylinder liner will（）
A. prevent piston ring wear
B. shorten the ring break-in period
C. prevent cylinder liner glazing
D. appear slick and glazed
[单项选择]Scuffed cylinder liner surfaces in a diesel engine can result form（）
A. starting the engine hot
B. knurling the piston skirt
C. operating an overheated engine
D. using scuff resistant piston rings
[单项选择]Scuffed cylinder liner wearing surfaces in a diesel engines can result from （）
A. chromium plating piston rings
B. knurling the piston skirt
C. extended maximum power operation
D. applying load to a cold diesel engine
[单项选择]Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.
A. low compression pressure
B. increased piston wear
C. increased cylinder lube oil consumption
D. poor contact between compression rings and liner
[单项选择]A flashing green light displayed at a single lock means that the lock is（）.
A. ready for entrance
B. ready for entrance，but gates cannot be closed completely
C. being made ready for entrance
D. not ready for entrance
[单项选择]Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient （）.
A. overlap
B. crush
C. lap or lead
D. protrusion
[单项选择]An all-round flashing yellow light may be exhibited by a(n)（）.
A. vessel not under command
B. air cushion vessel in the nondisplacement mode
C. vessel towing a submerged object
D. vessel engaged in diving operations
[单项选择]A flashing light is a light that（）.
A. flashes at regular intervals at a frequency of 120 flashes or more per minute
B. is yellow in color
C. is visible over an arc of the horizon of not less than 180°nor more than 225°
D. All of the above
[单项选择]A flashing red light displayed at a single lock means that the lock（）.
A. is ready to use but vessels must stand clear
B. is ready to use and vessels may approach
C. cannot be made ready immediately and vessels shall stand clear
D. cannot be made ready immediately but vessels may approach
[单项选择]A buoy with a composite group-flashing light indicates a(n)（）.
A. anchorage area
B. fish net area
C. bifurcation
D. dredging area
[单项选择]The cylinder liner forming the cylinder wall and the inside of the water jacket is called a（）
A. dry liner
B. wet liner
C. jacket liner
D. corrugated liner
[单项选择]
In a diesel engine, excessive cylinder liner wear will cause （）
Ⅰ.increased blow-by
Ⅱ.wear between the piston ring and groove
A. Ⅰonly is correct
B. Ⅱ only is correct
C. both Ⅰ and Ⅱ are correct
D. neither Ⅰ or Ⅱ are correct
[单项选择]The cylinder is fitted with internal liner so that a water space is left （） the liner and the outer wall.
A. around
B. among
C. in
D. between
