A.drain cocks
B.vent valves
C.counteracts
D.interlocks
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A.the cooling water
B.the circulating water
C.the cooler
D.the cooling water space
A.the circulating tank
B.the scavenge box
C.the cooling water space
D.the cooler
A.shims
B.packing
C.glands
D.washers
The sequence of parts in a generally used fuel oil supply system for a main engine is （）
(1)tanks in the double bottom
(2)centrifuges
(3)service tank
(4)settling tank
(5)viscosity regulator
A.(1)-(2)-(4)-(3)-(5)
B.(1)-(4)-(2)-(3)-(5)
C.(1)-(3)-(2)-(4)-(5)
D.(1)-(5)-(4)-(2)-(3)
A.the steering
B.the driven gear
C.the turning gear
D.the timing gear
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The ability of the governor to prevent fluctuations in engine speed is termed （）.
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 （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Lube oil cannot be efficiently filtered if its （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
What is the function of the thrust bearing?（）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
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 （）.