27. In the lifeboat stowed position, two _____ prevent the davits from accidentally swinging out.

A . Six by seven galvanized wire rope B . Six by twenty-four improved plow steel wire rope C . Six by thirty-seven preformed fiber-core wire rope D . Six by nineteen regular-lay filler wire rope

A . Before the boat is lowered from the stowage position B . As soon as the boat-fall blocks clear the davit head C . After the limit switch is activated D . After all people have been embarked

A . not to affect the draught trim B . not to affect the cargo ventilation C . not to affect the free surface D . not to affect the vessel's stability

A . instead B . instead of C . replace D . replace of

A . 2 months B . 3 months C . 4 months D . 5 month

A . shorter than the others B . used for the stroke oar C . used by the forward man in the boat to direct the bow D . longer than the others and should be lashed to the ster

A . shorter than the rowing oars B . the same length as the rowing oars C . longer than the rowing oars D . unrelated to the length of the rowing oar

A . run as fast as the boat will go and keep the sea on the stern B . secure the engine，put sea anchor over the bow，put out the oars，use sweep oar and back onto beach C . go in under oars and put out the sea painter D . put the sea broadside and let the boat drift ashore

A . give access to B . links up with C . have contact with D . is constructed of

A . brought to a position with the stern into the seas B . allowed to take its own head C . brought to lay in the trough D . brought bow into the sea

A . fire control plan B . certificate of inspection C . muster list D . ships article

A . tie up to the rescue vessel B . transfer only those personnel who are not seasick C . wait for calmer weather before transferring personnel D . transfer all personnel immediately

A . an approach from leeward B . an approach from windward C . the most direct approach D . an approach across the wind

A . bumpkin oar B . stroke oar C . sweep oar D . becket oar

A . Frapping line B . Tricing line C . Rottmer release D . Winch remote control wire

A . Release gripes，turn on emergency disconnect switch，release frapping lines B . Release tricing pennants，turn on emergency disconnect switch，release frapping lines C . Operate limit switches，release gripes，lift brake D . Release gripes，lift brake，release tricing pennant

A . kerosene B . unleaded gasoline C . diesel oil D . liquefied ga

A . fuel supply valve should be closed B . hatches，doors，and oar ports should be closed C . air cylinder shut-off valve should be closed D . engine should be shut off

A . The boat should be hoisted a few inches clear of the cradle before cranking out the davits B . The inboard gripes should be cast off before the outboard gripes C . The outboard section of the cradle must be released D . The tricing pendants will automatically bring the boat alongside at the embarkation deck

A . Smoke signal B . Flash signal C . Fire signal D . Radio emergency transmissio

A . placed in a fixed bracket when being used B . clamped to any position convenient for the coxswain to see it C . permanently mounted on the lifeboat's centerline D . mounted in the center of the boat to eliminate deviatio

A . The ventilators will automatically close by the action of fusible links B . The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew C . A water spray system to cool the outside of the boat is operated by a high-volume manual pump D . An air tank will provide about ten minutes of air for the survivors and the engine

故事中的年轻人说他不希望在一个女人负责的学校里教书。