相关试题
单选题 With ____, the engine needs not to be aligned with reduction gears or propeller shaft.
单选题 The liner is located within this jacket unit and ____ are provided to prevent water leakage.
单选题 Which of the following parameters has the greatest impact on fuel viscosity?
单选题 A crankshaft must be able to transmit the ____ developed during operation, which imposes stresses on the crankshaft journals.
单选题 The piston has passed the top dead center position and is being moved down by the ____ as the crankshaft rotates.
单选题 The ____ are normally used to transfer fuel from bunker tanks to the settling tanks.
单选题 In crosshead engines, the circulating oil is protected by ____ from contamination.
单选题 Generally, in the diesel engine cooling system, the diesel engine is forced to cool with ____, and then the heat carrying fluids are forced to cool with ____.