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【单选题】
企业将投资性房地产转换为存货时，应按转让当日投资性房地产的账面价值计量存货的入账价值。( )A.
正确
B.
错误
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【单选题】Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?
A.
Splash
B.
Gravity
C.
Pressure
D.
Bypass
【单选题】In engines with system, the lubricating oil can be added to the engine through the filling hole in the crankcase cover, by using a hand oil can, or through the separator pipe
A.
lubricating oil
B.
dry sump
C.
circulated tank
D.
wet sump
【单选题】For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an _____.
A.
oil spray
B.
oil bath
C.
oil control rings
D.
drilled passage through the camshaft
【单选题】The oil lubricating diesel engine cylinders usually contain additives formulated to impart a high degree of alkalinity to _____ the acid conditions.
A.
invade
B.
provide
C.
detergent
D.
neutralize
【单选题】Lubricating oil for an engine is stored at the bottom of the _____, known as the sump or in a drain tank located beneath the engine.
A.
sea cheat
B.
air receiver
C.
crankcase
D.
water box
【单选题】Excessive lubricating oil consumption in a running diesel engine can be caused by ________.
A.
clogged lube oil piping
B.
excessive valve-guide clearance
C.
high lube oil viscosity
D.
low lube oil temperature
【单选题】Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____.
A.
over-speed trip
B.
audible/visual alarm
C.
the ships/boats general alarm
D.
reserve oil storage tank
【简答题】What's the function of the lubricating oil in main engine?
【单选题】In a normally operating diesel engine, the main cause of lubricating oil contamination in the crankcase is a result of the _____.
A.
metal particles loosened by wear
B.
air when no air cleaners are used
C.
condensation of water vapors
D.
breakdown of the lubricating oil by dilution
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