Page 15 (151-162) Flashcards
“The air supplied to a diesel engine is compressed to __________.
I. provide heat for the ignition of the fuel
II. decrease injection delay”
I only is correct
The possibility of damage from operating a diesel engine at critical speeds is reduced by the use of __________.
a vibration damper
On small diesel engines, a noticeable decrease in the time interval between the replacement of the lube filter cartridge indicates __________.
piston ring blow-by
If the jacket water temperature of an operating diesel engine suddenly rises above normal, the cause can be attributed to __________.
a clogged raw water sea suction
On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the __________.
compensating needle valve
The liquid line labeled “P” in the device shown in the illustration, is used to __________.
initiate the bowl opening procedure for the self-cleaning cycle
In an auxiliary boiler steam and water system, the highest pressure will be in the __________.
feed water system
How is the diesel engine operating RPM affected when a ‘ZERO DROOP’ setting is selected on the governor?
The RPM will remain the same with or without load.
The clutch glands of the gear unit, shown in the illustration, rotate at __________.
engine speed
When preparing to clean the fuel oil centrifuge shown in the illustration, the bowl must be brought to a complete stop to avoid __________.
irreparable damage to the unit
The diesel engine connecting rod shown in the illustration is classified as a/an __________.
fork-and-blade type rod
A dirty diesel engine oil filter element can best be detected by __________.
the pressure drop across the filter
