Stretchers are fitted in lifeboats to provide a（）.

[单选题]The order to enter the lifeboats will be given from the（）.A . bridgeB . forward stationC . aft stationD . any hold in which the stevedores are working

[单选题]On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.A . keep the movement of the davits at the same speedB . keep the davits from slipping when they are in the stowed positionC . prevent vibration during lowering of th

[单选题]Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.A . to keep the boats covered at all timesB . not to leave steel or iron tools lying in

[单选题]The lifeboats and liferafts were（）with the provisions of the regulations annexed to the Convention.A . put on boardB . installedC . fittedD . equipped

[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]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]Most covered lifeboats will right themselves after capsizing if the（）.A . passengers are strapped to their seatsB . fuel tanks are not less than half fullC . sea anchor is deployed to windwardD . lower ballast tanks are filled with water

[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