The cylinder is fitted with internal liner so that a water space is left （） the liner and the outer wall.

[单选题]The cylinder head, cylinder liner and （） form the combustion chamber.A . frameB . pistonC . crankcaseD . explosion plate

[单选题]（） is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler.A . The fuel oilB . The lube oilC . The sea waterD . The fresh water

[单选题]Cracks in cylinder and cylinder covers may （） from unequal heating.A . makeB . causeC . resultD . produce

[单选题]Stretchers are fitted in lifeboats to provide a（）.A . place for people to lie downB . means for rigging the sailC . place for rowers to brace their feetD . suitable means for water to drain below the footing

[单选题]A vessel is not in every way fitted for cargo service（）at the time of her delivery to the charterers her engine room staff is incompetent and inadequate，and accordingly she is unseaworthy.A . whetherB . shouldC . shallD . if

[单选题]（） or air venting arrangement is fitted to the fuel supply passage.A . An air pumpB . A compressorC . A fuel pumpD . A priming

[单选题]Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is（）.A . for securing a snatch block when snaking cargo into the wings of the holdB . to prevent cargo from coming

[单选题]A single piece（） fitted with bronze rings guides the piston in the cylinder liner.A . piston skirtB . piston crownC . guide wayD . cross-head

[单选题]A cast steel strong back is fitted in way of the combustion space to help absorb （）.A . flame temperatureB . fuel oilC . air movementD . gas force

[单选题]LIN的含义是（）A .汽车网络B .车上媒体网络C .控制器局域网D . D.局部连接网络