更多"What method of extinguishing fire i"的相关试题:
[单项选择]The best method of extinguishing a class A fire is to （）.
A. remove oxygen from the area
B. smother fire with foam
C. smother fire with CO2
D. cool fuel below ignition temperature
[单项选择]According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
A. Electrical cut off switch
B. A fusible link
C. Manual cut off switch
D. A water spray actuator
[单项选择]If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings?（）.
A. The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true
B. The readings are too low and the amount of the error must be subtracted from the compass to obtain true
C. The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true
D. The readings are too high and the amount of the error must be subtracted from the compass to obtain true
[单项选择]In the construction of a diesel engine, what is the purpose of end plates?（）
A. To provide accessibility to the cylinder liners
B. To add stability to the engine block
C. To add rigidity to the block and a surface for attaching other parts
D. To make a surface for the base
[单项选择]Fire dampers prevent the fire spreading through the process of （）.
A. convection
B. conduction
C. radiation
D. direct contact
[单项选择]When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.
A. aimed at the source of the flames
B. fogged above the equipment
C. shot off a flat surface onto the flames
D. used to shield against electrical shock
[单项选择]What shall be conducted during a fire and boat drill?（）
A. All watertight doors which are in use while the vessel is underway shall be operated
B. All lifeboat equipment shall be examined
C. Fire pumps shall be started and all exterior outlets opened
D. All of the above
[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]What is an advantage of using foam in fire fighting?（）
A. It is MOST effective on very hot oil fires where the temperatures of the liquid exceed 100°C (212°F)
B. Most foams can be used with dry chemicals to attack a fire by two methods
C. Foam is effective on combustible metal fires
D. Foam can be made with seawater or fresh water
[单项选择]What is best suited for fighting a fire in a ballast control room?（）
A. Automatic sprinkler system
B. Steam smothering system
C. Dry chemical system
D. Carbon dioxide system
[单项选择]During a fire drill on a vessel,what action is required?（）.
A. Start each fire pump
B. Launch aand run a lifeboat
C. Inventory rescue and fire equipment
D. Inspect fire hoses
[单项选择]During a fire drill on a ship，what action is required?（）
A. Start each fire pump
B. Launch and run a lifeboat
C. Inventory rescue and fire equipment
D. Inspect fire hoses
[单项选择]What is used for preventing pollution damage to the sea from ships?（）
A. MARPOL 73/78
B. SOLAS 74
C. STCW 78/95
D. ISPS 2002
[单项选择]What is it called when it is possible to ignite the vapour above the oil?（）
A. Flash point
B. Boiling point
C. Ignition point
D. Pour point
[单项选择]The Shipowner may do what is reasonable（）any of these liens in view of the fact that they are possessory liens，i.e. they can only be enforced by retaining actual or constructive possession of the cargo.
A. to delay
B. to arrange
C. to sustain
D. to maintain
