單項(xiàng)選擇題A level gauge for a tank is to ().

A.give the pressure
B.give the contents
C.give the shape of the tank
D.give the accuracy level


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1.單項(xiàng)選擇題A hot air start pipe indicates that there is ().

A.inefficient cooling
B.a leaking air start valve
C.a clogged drain valve
D.a leaking air bottle

2.單項(xiàng)選擇題A high temperature alarm or () which will melt is used to guard against the explosion of compressor air pipelines.

A.a flame trap
B.a relief valve
C.a fusible plug
D.a bursting cap

3.單項(xiàng)選擇題A heater in the circuit facilitates warning of the engine prior to () by circulating hot water.

A.starting
B.stopping
C.to start
D.to stop

4.單項(xiàng)選擇題A gudgeon pin in a trunk piston may be free to float and rotate, with () to limit axial movement.

A.split pins
B.crankpins
C.dipsticks
D.circlips

5.單項(xiàng)選擇題A governor automatically controls engine speed by regulating ().

A.fuel supply
B.firing order
C.engine load
D.oil level

最新試題

Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the ().

題型:?jiǎn)雾?xiàng)選擇題

When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().

題型:?jiǎn)雾?xiàng)選擇題

Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?()

題型:?jiǎn)雾?xiàng)選擇題

When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?()

題型:?jiǎn)雾?xiàng)選擇題

To determine if the lube oil filter elements need changing, ().

題型:?jiǎn)雾?xiàng)選擇題

Combustion knock can occur in the cylinders of a diesel engine under any condition permitting ().

題型:?jiǎn)雾?xiàng)選擇題

For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because ().

題型:?jiǎn)雾?xiàng)選擇題

If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().

題型:?jiǎn)雾?xiàng)選擇題

A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().

題型:?jiǎn)雾?xiàng)選擇題

If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a ().

題型:?jiǎn)雾?xiàng)選擇題