computer generated quizzes merchant mariner mariners credentials exam prep tools deck license merchant mariner exam test test study materal captains license exam master mariner merchant seaman's license memorization aids qmed training online training online testing licensing course online coast guard exam tools coast guard test boating sailing yachting shipping mariner exam preparation test preparation navigation cargo charts publications distanse learning celestial engineering electrical safety steam motor fire fighting first aid gmdss great lakes hazardous cargo inert gas inland instruments accessories lifesaving bunkering marine radio meteorology modu celestial navigational pollution regulations seamanship vessels ship signaling stability tankerman tides currents towing watchkeeping rules of the road aids to navigation breathing apparatus cargo equipment cargo stowage charts and publications chemical testing and right whales damage control deck engineering emergency procedures fire fighting first aid global maritime distress and safety system great lakes hazardous cargo inert gas inland navigation instruments and accessories lifesaving bulk liquid cargo and bunkering marine radio operator meteorology mobile offshore drilling unit navigational procedures pollution control and prevention rules and regulations deck safety sailing vessels ship handling ships construction ships business signaling stability and trim tankerman tides and currents towing watchkeeping survival craft

QID - 27320

The function of the bypass valve on the self-contained breathing apparatus is to __________.

allow exhaled gases to pass outside the bottle 
            
allow the wearer to manually give himself oxygen 
            
release excess heat which would otherwise cause the bottle to explode 
            
control the pressure of the oxygen as it enters the body 
            

Next

cgexams.seasources.net