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1. A foam-type portable fire extinguisher would be most useful in combating a fire in __________.


2. One gallon of high expansion foam solution will produce __________.


3. One of the limitations of foam as an extinguishing agent is that foam __________.


4. When discharging a portable CO2 fire extinguisher, you should NOT hold the horn of the extinguisher because the horn __________.


5. Carbon dioxide as a fire fighting agent has which advantage over other agents?


6. The extinguishing agent most likely to allow reignition of a fire is __________.


7. Which statement concerning the application of dry chemical powder is FALSE?


8. When dry chemical extinguishers are used to put out class B fires, there is a danger of reflash because dry chemical_________.


9. Dry chemical fire extinguishers are effective on which type(s) of fire?


10. An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.


11. You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.


12. Dry chemical extinguishers may be used on what class of fires?


13. A portable dry chemical fire extinguisher discharges by __________.


14. Which extinguishing agent will absorb the most heat?


15. The most effective cooling agent among those normally used to fight fires is __________.


16. Which fire-fighting agent is most effective at removing heat?


17. What are the most important reasons for using water fog to fight fires?


18. What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire?


19. What should be used to remove corrosion from the swivel on the female coupling of a fire hose?


20. When joining the female coupling of the fire hose to the male outlet of the hydrant, you should make sure that the __________.


21. What is the most vulnerable part of the fire main system?


22. You are operating a fire hose with an applicator attached. If you put the handle of the nozzle in the vertical position you will __________.


23. A combination or all-purpose nozzle produces __________.


24. A 2,000 GT tankship is required to carry __________.


25. You are tending the lifeline of a man who entered a tank using a breathing apparatus. How many tugs on the lifeline indicate that the man should come out immediately?


26. You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you need help?


27. In what location MUST a duplicate fire control plan be located?


28. A vessel's fire control plan shall do which ofthe following?


29. On the vessel's Fire Control Plan, all parts of the fire main are listed EXCEPT?


30. The Fire Control Plan must contain detailed information on which of the following systems?


31. What is the purpose of a fire control plan aboard passenger ships?


32. A fire of escaping liquefied flammable gas is best extinguished by __________.


33. When water is used to fight a fire on board a ship, the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?


34. When attempting to enter a compartment containing a fire, which method of applying water is best?


35. Oil fires are best extinguished by __________.


36. A deck-stowed 40-foot container is giving off smoke, and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take?


37. A fire starting by spontaneous combustion can be expected in which condition?


38. A fuel-air mixture below the lower explosive limit is too __________.


39. Fire may be spread by which means?


40. Radiation spreads a fire by __________.


41. Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by __________.


42. The hoods over galley ranges present what major hazard?


43. Which condition is necessary for a substance to burn?


44. The "flammable limits" of an atmosphere are the __________.


45. You should be most concerned about a possible explosion or fire in fuel tanks __________.


46. The volatility of a flammable liquid is indicated by its __________.


47. Which substance might be subject to spontaneous combustion?


48. Storage batteries should be charged in a well ventilated area because __________.


49. Which may ignite fuel vapors?


50. In battery charging rooms, exhaust ventilation should be provided __________.


51. Fighting a fire in the galley poses the additional threat of __________.


52. Fusible-link fire dampers are operated by __________.


53. Which extinguishing agent is suitable to combat a class B fire in an engine compartment?


54. A large oil fire on the deck of a ship can be fought most effectively with __________.


55. A class C fire would be burning __________.


56. What is the primary hazard, other than fire damage, associated with a class C fire?


57. If a powdered aluminum fire is being fought, the correct extinguishing agent would be __________.


58. An aluminum powder fire is classified as class __________.


59. A magnesium fire is classified as class __________.


60. Fires in combustible metals, such as sodium or magnesium, are classified as class __________.


61. Fires are grouped into what categories?


62. The danger associated with using carbon dioxide in an enclosed space is __________.


63. There are two disadvantages to CO2 as a firefighting agent. One of these is the limited quantity available, and the other is __________.


64. The safety discs on carbon dioxide cylinders are set to release at 2,700 psi. Under normal circumstances this pressure will be reached at a temperature of __________.


65. Before using a fixed CO2 system to fight an engine room fire, you must __________.


66. Which of the following statements is true concerning the control activators, i.e., pull-handles, push-buttons or levers, for a space protected by a CO2 fixed fire extinguishing system?


67. When a ship's low-pressure CO2 fixed fire extinguishing system is activated from a remote location, what determines the quantity of CO2 being released into a selected space?


68. As an extinguishing agent, foam __________.


69. Which statement is TRUE concerning the application of foam on an oil fire?


70. Which statement about firefighting foam is TRUE?


71. Which statement is TRUE about fire fighting foam?


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