A.casting interlocking components
B.welding plates to form sections for assembly
C.forging integral components
D.case hardening integral components
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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
A.reduce water temperature
B.reduce water turbulence
C.provide an air cushion
D.allow for an increase in water volume as the engine warms up
A.changing filter elements would not interrupt engine operation
B.filtering occurs twice in each pass of oil through the system
C.clogging will not occur
D.dropping pressure is half of that through a single filter unit
最新試題
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
A thrust bearing is used with a propulsion diesel engine to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
To determine if the lube oil filter elements need changing, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.