更多"With the crank in position in the e"的相关试题:
[单项选择]（） in what position the engine stops there will always be at least one of the cylinders with its starting air valve open to admit compressed air to start the engine.
A. Because
B. Owing to
C. For
D. No matter
[单项选择]If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching （）.
A. the bad smoke
B. the smoky exhaust
C. the exhaust temperature
D. the peak pressure
[单项选择]Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）
A. The chromium will not wear out the piston rings
B. The chromium strengthens the liners in the way of the scavenging air ports
C. Chromium eliminates the need for oil scraper rings
D. Pores in the plating aid in maintaining the lube oil film
[单项选择]The interior of some diesel engine saltwater heat exchangers are protected from corrosion by the use of（）
A. aluminum plates
B. lead cathodes
C. copper baffle plates
D. sacrificial zincs
[单项选择]Engine （） refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.
A. timing
B. deviation
C. firing order
D. phase
[单项选择]The （） engine is used for alternators and some times for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.
A. four-stroke
B. two-stroke
C. slow speed
D. reversible
[单项选择]What is the crank angle between any two crank throws in the firing order of a four-stroke/cycle, in line, eight cylinder diesel engine?（）
A. 45
B. 60
C. 90
D. 100
[单项选择]In some diesel engine designs,（）the injection of cylinder oil is timed to impinge when the piston and only impinge on（）
A. is coming upward；cylinder ring belt
B. is going downward；piston ring belt
C. is coming upward；piston ring belt
D. is going downward；cylinder ring belt
[单项选择]Each crank is made up of two crank webs joined by a common（） to which the bottom endbearing is fitted.
A. throw
B. crankshaft
C. crankpin
D. crosshead
[单项选择]In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the （）.
A. crosshead
B. crankpin
C. crank journal
D. gudgeon pin
[单项选择]The crank chamber oil （）.
A. can be recovered
B. is only supplied to cylinders
C. only feeds the main bearing
D. is a kind of detergent
[单项选择]Operating conditions in the crank chamber are very （） those in the cylinder.
A. the same as
B. similar to
C. separated from
D. different from
[单项选择]Crank web deflection readings will give a positive indication of （）.
A. worn main bearing journals
B. torsional stress deformation
C. slack thrust bearings
D. bearing shells shim dimensions
[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]MEA溶液再生的优点是（）。
A. 热能耗高
B. 易降解
C. 操作复杂
D. 吸收效果好
[单项选择]The crank pin journal is provided with large bores for （）.
A. lubrication
B. cooling
C. balancing purpose
D. ventilation
