A.fresh water expansion tank
B.sea water expansion tank
C.thermostatic expansion valve
D.jacket water cooler accumulator
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A.The oil temperature is less than the cooling water temperature
B.The oil pressure is less than the cooling water pressure
C.The oil pressure is greater than the cooling water pressure
D.The oil flow control valve is always installed in the oil input line
A.casting interlocking components
B.welding plates to form sections for assembly
C.forging integral components
D.case hardening integral components
A.check and regulate the water level
B.close the air cock once fires are lit
C.blowdown the gage glass
D.crack the steam stop to assure protective steam flow
A.Maintains a constant head on the system
B.Reduces the likelihood of air or steam pockets formation
C.Provides a low pressure point for the addition of makeup cooling water
D.All of the above
A.brass
B.copper
C.iron
D.monel metal or stainless steel
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The main purpose of the piston oil scraper rings is to （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.