Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.

A . abreast the heel B . at right angles to the boom when viewed from above C . aft of the heel D . forward of the spiderband

A . 6 months B . 1 year C . 3 years D . Until the next inspection for certificatio

A . Use the CO system and evacuate the engine room B . Use the fire main system and evacuate the engine room C . Evacuate the engine room and use the CO system D . Evacuate the engine room and use the fire main system

A . It is effective in controlling fire in flowing oil such as coming from a broken fuel line B . It absorbs heat from materials that could cause reignition C . Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment D . Once the surface is blanketed with foam and the fire is extinguished，no further foam is required

A . secure all openings to the tank B . discharge an initial charge of CO with a hand portable extinguisher C . direct a fire hose into the tank and energize the fire main D . spray the tank boundaries with a fire hose to promote cooling

A . secure all sources of fresh air to the tank B . begin transferring the fuel to other tanks C . top off the tank to force out all vapors D . station someone at the fixed CO release control

A . Use the C0 system and evacuate the engine room B . Use the fire main system and evacuate the engine room C . Evacuate the engine room and use the C0 system D . Evacuate the engine room and use the fire main system

A . It causes minimal damage B . It is safer for personnel C . It is cheaper D . It is most effective on a per unit basi

A . evacuate all engine room personnel B . fight the fire with hand portable extinguishers C . activate the main CO bank D . stop the flow of leaking fuel oil

A . look for a CO extinguisher B . use a soda acid extinguisher C . shut off the fuel supply D . smother the fire with rag

A . Dry chemical B . Foam C . Water D . Carbon dioxide

A . increasing the permeability of the pumproom B . reduction of drill water from the storage tanks C . a list caused by water filling the compartment D . a reduced KG caused by water filling the compartment

A . Certificate of Inspection B . Certificate of Seaworthiness C . Classification Certificate D . Certificate of Registry

A . attempt to isolate the fire from the LPG B . cool the bottles or remove them from the fire area C . see that the valves on all LPG bottles are closed D . place insulating material over the bottle

A . persons in the space wear gas masks B . persons in the space wear damp cloths over their mouths and nostrils C . ventilation system is secured and all persons leave the space D . ventilation system is kept operating

A . Short splice B . Long splice C . Back splice D . Spindle splice

A . It causes minimal damage B . It is safe for personnel C . It is cheaper D . It is most effective on a per unit basi

A . generators B . oil drums C . the bridge controls D . combustible metal

A . shield fire fighters from radiant heat B . break up burning material C . get the most water possible on the fire D . drive heat and smoke ahead of the fire fighter

A . CO B . dry chemical C . water D . foam

A . contaminating food with extinguishing agent B . spreading through the engineering space C . loss of stability D . a grease fire in the ventilation system

A . Secure all engine room doors，hatches，and vents B . Close the fuel line valve C . Check the spread of the fire with foam D . Cast the barge off the wharf

A． Partial loss B．Particular average C． General average D．constructive total loss