更多"After extinguishing a paint locker "的相关试题:
[单项选择]After extinguishing a fire with CO2，it is advisable to（）.
A. use all CO2 available to cool the surrounding area
B. stand by with water or other agents
C. thoroughly ventilate the space of CO2
D. jettison all burning materials
[单项选择]After extinguishing a fire with C02,it is availabe to（）.
A. use all CO2 available to cool the surronding area
B. stand by with water or other agents
C. thoroughly ventilate the space of CO2
D. jettison all buring materials
[单项选择]After a fire has been extinguished in a closed space, personnel may safely enter the space when （）.
A. smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance
B. a lifeline and explosion proof flash light are used
C. all smoke and toxic fumes are removed and an adequate oxygen supply is present
D. overhaul has been completed to remove any possible source of re-ignition
[单项选择]After using a C02 portable extinguisher，it should be（）.
A. put back in service if some C02 remains
B. hydrostatically tested
C. retagged
D. recharged
[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]After using a Halon extinguisher，it should be（）.
A. put back in service if more than 50% of the charge remains
B. repainted
C. discarded
D. recharged
[单项选择]After using a CO2 extinguisher on a ship，it should be（）.
A. put back in service if some CO2 remains
B. hydrostatically tested
C. retagged
D. recharged
[单项选择]Ships do not permitted to the TBT paint after 2008，It is required by（）
A. the International Convention for the Safety of the Life at Sea
B. the International Convention for the Prevention from ships
C. the International Convention on control of harmful anti-fouling system on ships
D. the International Convention for the Control and Management of Ship’s Ballast Water and Sediments
[单项选择]A definite advantage of using water as a fire extiguishing agent is its characteristic of（）.
A. alternate expansion and contraction as water in a liquid state becomes a vapor
B. absorption of smoke and gases as water is converted from a liquid to a vapor
C. rapid contraction as water is converted from a liquid to a vapor
D. rapid expansion as water absorbs heat and changes to steam
[单项选择]When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.
A. base of the flames，moving the horn from side to side，following the flames upward as they diminish
B. top of the flaming area，moving the horn from side to side，following the flames downward as they diminish
C. center of the flaming area，moving the horn vertically from top to bottom
D. bottom of the flaming area，moving the horn vertically to the top following the flames upward as they diminish
[单项选择]When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
A. first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B. in a circular motion from the middle of the bulkhead outward
C. to the top of the flaming area，sweeping from side to side，and working toward the bottom
D. in an up-and-down motion from one side of the bulkhead to the other
[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]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]The basic training in fire prevention and fire fighting should include the practical elements which should allow the trainees to acquire the ability to （）.
A. use self-contained breathing apparatus
B. use various types of portable fire extinguishers
C. effect a rescue in a smoke-filled space wearing breathing apparatus
D. All of the above
[单项选择]On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
