On inflatable liferafts，the operating cord should be renewed by（）.

A . shape B . shallow draft C . large sail area D . All of the above

A . Open equipment pack B . Post a lookout C . Issue anti-seasickness medicine D . Pick up other survivor

A . replaced annually B . tested monthly C . serviced annually D . overhauled quarterly

A . Very pistol B . orange smoke signal C . air horn D . lanter

A . stow rainwater; these 4 spaces do not take up valuable space B . act as stabilizers by filling with sea water as soon as the raft is inflated and upright C . hold the freshwater required by regulation to be provided in the raft when packed D . None of the above

A . automatically as the liferaft inflates B . with a switch near the boarding handle C . at night because the light has a photosensitive switch D . by screwing the bulb in after the raft is inflated

A . to right the raft if it capsizes B . to carry the raft around on deck C . for crewmen to hang on to D . to hang the raft for drying

A . home address B . duties C . home phone number D . nearest relative's addre

A . pulling on the painter line B . forcing open the container which operates the CO C . hitting the hydrostatic release D . using the hand pump provided

A . should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards B . should be righted by standing on the life line，holding the righting straps leaning backwards C . will right itself when the canopy tube inflates D . must be cleared of the buoyant equipment before it will right itself

A . towing bridle B . main weather cover C . external lifelines D . righting stra

A . lifeline B . painter C . drogue D . marker

A . the float-free method ONLY B . breaking the weak link on the painter C . throwing the entire container overboard and then pulling on the operating cord to inflate the raft D . removing the securing stra

A . removing the top half of the shell，cutting the line at its source，and renewing completely B . cutting the line where it enters the case and replacing that portion C . leaving the original line and tying another one to it so the two lines will take the strain D . an approved servicing facility ashore

A . safety straps from the overhead B . built in seats C . releasing hooks at each end D . water stabilizing pocket

A . Load Line Certificate B . SOLAS Certificate C . Stability Letter D . Certificate of Inspectio

A . overhead safety straps B . built in seats C . internal releasing hooks D . water stabilizing pocket

A . in one of the equipment bags B . in a special pocket near the forward entrance C . on a cord hanging from the canopy D . in a pocket on the first aid kit

A . cutting the straps that enclose the container B . removing the rubber sealing strip from the container C . loosening the turnbuckle on the securing strap D . pushing the button on the hydrostatic release

A . go into place as the raft is inflated B . be put up after everyone is aboard C . be put up only in severe weather D . be used as a sail if the wind is blowing

A . pulling a cord B . cutting the wire restraining bands C . removing the rubber packing strip D . throwing the entire container overboard

A . Water pockets B . A keel C . Strikes D . Sea anchor

A . non-toxic gas B . Oxygen C . Hydrogen D . Helium

A . a rocket shoulder rifle B . an oil lantern C . red flares D . an air hor