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.

Every year, more and more Americans spend their leisure time trying to improve t

[单选题]On a passenger vessel，the vessel’s name must appear on（）.A . ring life buoyB . lifeboatsC . lifeboat oarsD . All of the above

[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]The cylinder is fitted with internal liner so that a water space is left （） the liner and the outer wall.A . aroundB . amongC . inD . betwee

[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]There is ________ Ocean-going Vessel in the harbor.A．aB．theC．anD．about

[单选题]As the displacement of a vessel increases，the detrimental effect of free surface（）.A . increasesB . decreasesC . remains the sameD . may increase or decrease depending on the fineness of the vessel's form