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
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm ().
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 ().
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because ().
White smoke exhausting from an operating diesel engine may indicate ().
To determine if the lube oil filter elements need changing, ().
Lube oil filters remove contaminants more efficiently if the oil being filtered is ().
Combustion knock occurring in a diesel engine can be caused by ().
Lube oil cannot be efficiently filtered if its ().
What is the function of the thrust bearing?()