單項選擇題In a diesel engine,() works as working medium and changes the heat energy to mechanical energy, changes the reciprocating movement to rotary moment()

A.fuel spray; the burning of the fuel
B.the burned gas mixture; connecting rod
C.medium shaft;crankshaft
D.the burned gas mixture; piston rod


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1.單項選擇題In a diesel engine, offers the heat energy directly(); works as working medium and changes the heat energy to mechanical energy()

A.the burning of the fuel; medium shaft
B.fuel spray; fresh air
C.fuel; fuel spray
D.the burning of the fuel; the burned gas mixture

3.單項選擇題Why a gearbox is needed in a ship driven by a medium-speed diesel engine?()

A.To reduce the main engine speed
B.To increase the main engine speed
C.To govern the main engine speed
D.To fix the propeller shaft

4.單項選擇題Which one is not true?()

A.Two main areas of skill are involved in the construction of ship
B.There are distinct divisions in responsibilities between naval architects and marine engineers
C.Each ship will assume varying proportions according to its type
D.Ships can be divided into different categories from different perspectives

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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()

題型:單項選擇題

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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

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To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()

題型:單項選擇題