更多"If you are fighting a fire below th"的相关试题:
[单项选择]If you are fighting a fire below the main deck of your vessel，which action is most important concerning the stability of the vessel?（）.
A. Shutting off electricity to damaged cables
B. Pumping fire-fighting water overboard
C. Maneuvering the vessel so the fire is on the lee side
D. Removing burned debris from the cargo hold
[单项选择]To shore up the main deck for the stowage of deck cargo means to（）.
A. weld pad eyes on deck in proper position to secure the cargo
B. strengthen the main deck by placing pillars underneath it in the tween-decks
C. distribute the weight of the cargo by placing fore-and-aft planks on the main deck
D. package the cargo in wooden crates so it will not damage the deck
[单项选择]The tweendecker has（）below the main deck.
A. another deck
B. two other decks
C. no deck
D. additional deck
[单项选择]When cargo is shifted from the main deck into the lower hold of a vessel，（）.
A. The metacenter will move downward
B. The GM will increase
C. The center of buoyancy will move upward
D. The list of the vessel will become great
[单项选择]A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A. a low velocity spray applicator
B. a water spray or solid stream
C. at least two spray patterns of water
D. at least 25 psi delivered pressure
[单项选择]To “shore up” the main deck for the stowage of deck cargo means to（）.
A. weld pad eyes on deck in proper position to secure the cargo
B. strengthen the main deck by placing pillars underneath it in the tween-decks
C. distribute the weight of the cargo by placing fore-and-aft planks on the main deck
D. package the cargo in wooden crates so it will not damage the deck
[单项选择]In the fire main system, quick cleaning strainers are located at the（）.
A. pump suctions
B. pump discharge
C. fire hydrants
D. hose nozzle
[单项选择]What is the most vulnerable part of the fire main system on board an offshore rig?（）
A. The fire pump
B. Exposed hard piping
C. The hydrant valve
D. The fire hose
[单项选择]A fire starts on you vessel while refueling. You should first（）.
A. stop the ventilation
B. sound the general alarm
C. determine the source of the fire
D. attempt to extinguish the fire
[单项选择]A large oil fire on the deck of a ship can be fought most effectively with（）.
A. dry chemical
B. foam
C. high-velocity fog
D. Water (cartridge-operated)
[单项选择]To prevent the spread of fire by conduction you should（）.
A. cool the bulkheads around the fire
B. remove combustibles from direct exposure
C. close all openings to the area
D. shut off all electric power
[单项选择]To prevent the spread of fire by convection you should （）.
A. remove combustibiles from direct exposure
B. cool the bulkhead around the fire
C. close all openings to the area
D. shut off electrical power
[单项选择]You will extinguish a fire when you remove（）.
A. nitrogen
B. oxygen
C. sodium
D. carbon dioxide
[单项选择]The most common forms of main drive used on deck auxiliaries are （）.
A. steam plants, electric motors and compressed air
B. diesel engine, hydraulic machinery and compressed air
C. steam plants, electric motors and hydraulic machinery
D. diesel engines, steam plants and hydraulic machinery
[单项选择]Each part of the fire-main system located on an exposed deck must be（）.
A. protected against freezing
B. locked to prevent theft
C. numbered sequentially
D. pressurized at all times
[单项选择]If an oil spill occurs on deck, you should （）.
A. cover the area with foam
B. cover the area with absorbent material
C. wash down immediately with a fire hose
D. wash down immediately with an oil dispersing solvent
[单项选择]A cutoff valve in the fire-main system of a ship may be closed to protect the portion of the system on an exposed deck from（）.
A. damage from crane operations
B. being used for wash down purposes
C. accidental diversion of flow to wrong location
D. freezing
