Fire Protection and Arson Investigation Q and A PDF

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Fire Technology and Arson Investigation Questionnaire Which causes the greatest number of fire? A. spontaneous combustion C. electrical wiring B. leaking gas pipes D. smoking and matches Which of the following doe NOT fall under class A fires? A. none of these C. burning nipa hut B. exploding gas de...

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Fire Technology and Arson Investigation Questionnaire 1. Which causes the greatest number of fire? A. spontaneous combustion B. leaking gas pipes

C. electrical wiring D. smoking and matches

2. Which of the following doe NOT fall under class A fires? A. none of these C. burning nipa hut B. exploding gas depot D. forest fire 3. Which of the following best illustrate arson? A. simultaneous fire B. unexplained explosion

C. faulty electric wiring D. thick relish smoke

4. There is an increased quantity of carbon monoxide produced when fuel is burned in limited supply of oxygen because___________ A. carbon reacts with carbon monoxide B. carbon reacts with carbon dioxide C. carbon monoxide is an effective reducing agent D. greater oxidation takes place 5. Why water is prohibited to quench class D fires? A. burning metals are too hot B. water is not capable of extinguishing the fire C. there is the danger of electrocution D. explosion may occur 6. Mechanical device strategically located in an installation or street where fire hose is connected so that water with pressure will be available to extinguish fire. A. fire hose box C. fire truck B. hose reel D. fire hydrant 7. Which of the following is considered as the most effective fixed installation for controlling fire which will discharge water into incipient fire from heads located near the ceiling? A. fire hydrant C. standpipe B. automatic water sprinkler D. fire extinguisher 8. These are fires which are caused by flammable liquids like kerosene, gasoline, alcohol, etc A. class D C. class A B. class C D. class B 9. When firemen are working at the nozzle of a hose they usually lean forward on the hose. What is the most likely reason for taking this position? A. the stream is projected farther B. the surrounding air is cool making the firemen comfortable C. a backward force is developed which must be counter acted D. the firemen can see better where the stream strikes 10. What is the most common excuse by a fire prober when no evidence is found? A. lack of witnesses’ C. electrical wiring B. no evidence D. no determination 11. The vehicle is the “extension” of the owner’s house. Is the intentional burning of a car by another constitute arson? A. no C. it depends B. yes D. sometimes

12. If arson is only the means of killing the victim, the crime that you have to file is: A. arson with murder C. murder B. arson D. murder with arson 13. What is the most common motive in burning cars? A. household grabbles C. financial difficulties B. political ideology D. concealment of fire 14. Which of the following occur when a room is heated enough that flame sweep over the entire surface? A.oxidation C. flash over B.back draft D. combustion

15. The use of one or more electrical appliances or devices which draw or consumes electrical current beyond the designed capacity of the existing electrical system. A.self closing door C. jumper B.overloading D. oxidizing material 16. An enclosed vertical space of passage that extends from floor to floor as well as from the base to the top of the building A.sprinkler system C. vertical shaft B.flash point D. standpipe system 17. A wall designed to prevent the spread of fire, having a fire resistance rating of not less than four hours with sufficient structural stability to remain standing even if construction on either side collapses under fire condition. A.firewood C. post wall B.fire wall D.fire trap 18. If a high wind has an extinguishing effect on a fire, the most probable extinguishing method is: A.smothering C. fuel removal B.cooling D. dilution 19. In cutting a roof to ventilate, the fire fighter should avoid___________ A.cutting a very large hole C.cutting roof boards near the beam B.cutting several small holes D.making opening over the fire 20. Which of these statement is TRUE? A.radiation is heat transfer through combustion B.radiation is heat transfer through solid materials C.radiation is heat transfer through air motion D.radiation is heat transfer by electromagnetic waves 21. What is the upper section of an extension ladder? A.top B.butt

C. fly D. Extension

22. What is a normally open device installed inside an air duct system which automatically closes to restrict the passage of smoke or fire? A.fire exit C. fire trap B.damper D. fire alarm 23. What is the material which produces and liberates its own oxygen when heated? A.radiation C. conductor B.oxidizing agent D. vapor

24. What is a vertical panel of non-combustible or fire resistant material attached to and extending below the bottom chord of roof trusses to divide the underside of the roof into separate compartments so that heat and smoke will be heated upwards to a roof vent? A.fire door C. fire trap B.electric arc D. curtain board

25. Which of the following is a strong oxidizing organic compound which releases oxygen readily? A.organic peroxide C.corrosive liquid B.blasting agent D.combustible fiber 26. What is the enclosed space of passage that extends from floor to floor as well as from the base to the top of the building A.vertical shaft C.standpipe B.sprinkler system D.flash point 27. What is known as the fire code of the Philippines A.Presidential Decree No 448 C.Presidential Decree No 421 B.Presidential Decree No 1184 D.Presidential Decree No 1185 28. A fire hydrant should be carefully opened when in use in order to: A.reduce vibration of the hydrant B.ensure that the drip valve is all the way closed C.prevent water hammer D.close the coupling 29. What is a piece of metal or an electrical conductor used to bypass a fety device in an electrical system? A.magnet C.brace B.jumper D.wire 30. This phase of fire operations is equivalent to the “reconnaissance” phase of military operation?

A.salvage

C.protection of exposure

B.overhaul

D.size-up

31. Conduction of heat transfer through: A.solid materials B.smoke

C.electromagnetic waves D.air motion

32. What would smoke emanating from a building indicate? A.presence of humid substance C.presence of phosphorus B.flying ash D.presence of nitrates 33. The most common motive of arson is A.jealousy B.spite

C.profit D.revenge

34. What is the process of raising the temperature to separate the non-volatile from the less volatile parts and then cooling and condensing the resulting vapor so as to produce a nearly purified substance? A.combustion C.evaporation B.distillation D.condensation

35. Light is transferred by light rays through the method of A.conduction C.oxidation B.convection D.radiation 36. What is the minimum temperature at which any material gives off vapor in sufficient concentration to form lenitable mixture with air? A.evaporating point C.boiling point B.ignition point D.flash point 37. Which of the following is “prima facie” existence of arson? A.inflammable substance found in the premises B.simultaneous fire in more than one part of the building C.building insurance D.any of these

38. Fire can leapfrog across wide malls and shopping centers through electromagnetic waves. This heat transfer is A.conduction C. combustion B.radiation D.convection 39. What is the instrument used to open and close a fire hydrant? A.hydrant key C.key board B.fire hose D.jumper 40. If fire occurs in a flow of liquefied petroleum gas storage tank and the flew cannot be checked, the safest practice is to A.use foam to put off the fire C.use fog to extinguish the fire B.permit the fire to born itself D.use sand to smother the flame How many percent of air is needed to sustain combustion? A.20 C.30 B.10 D.15 42. What equipment is made of trussed or solid beam where rungs are connected horizontally to the beam forming ascent or descent? A.rope C.hydrant B.ladder D.nozzle 43. Conduction is heat transfer through A.electromagnetic waves B.air motion

C.smoke D.solid materials

44. What are the cross numbers between the beam and used in climbing the ladder called? A.hangar C.beams B.rungs D.braces 45. What is the constant temperature at which the vapor pressure of the liquid is equal to the atmospheric pressure? A.vapor density C. fire point B.boiling point D. vapor pressure 46. It is the heat transfer through solid materials such as beam, metal conduit and ducts. A.conduction C.radiation B.combustion D.convection

47. What is an act which removes or neutralizes a fire hazard? A.distillation C.allotment B.abatement D.combustion 48. The ration of the weight of a solid or liquid substance to the weight of an equal volume of water. A.vapor density C.specific gravity B.molecular weight D.vapor pressure 49. What kind of toxicological analysis are routinely carried out for fire deaths? A.drug test C.carbon monoxide and alcohol B.body organ fluids D.neuro-psychiatric exam 50. During a conflagration, the smoke emitted is grayish, what does it indicate? A.presence of nitrate B.indicate humid substance C.loosely packed substance such as straw and hay D.presence of phosphorus

51. What should be proven for the crime of arson to exist? A.none of these C.identify of the perpetrator B.establishment of corpus delict D.malicious intent of the perpetrator 52. The transfer of heat from one material to another by direct contact is called A.ignition point C.convection B.conduction D.radiation 53. What is the measure of the degree of thermal agitation of molecules A.ignition point C.temperature B.flash point D.boiling point 54. The cause of the majority of fire death is A.infection B.burns

C. shock D. asphyxiation

55. Aware of the common modus operandi of arson cases on our midst, which of the following facilities should you check? A.electric switch system C. gift wrapped packages B.all of these D. telephones 56. In a combustion process, which event comes first? A.fire point C.none of these B.ignition temperature D.flash point 57. What should the firefighter do what ventilating a peaked roof? A.make opening at right angel to ridge pool B.make opening on ridge pole on windward side of the roof C.dip off roof covering on lead side and cut sheathing D.make opening on windward side of the roof peak 58. What moves rapidly by convection and can spread laterally along the cufling? A. heat C.smoke B.fire D.temperature 59. What kind of gas exists solely in the gaseous state pressure and at normal atmospheric temperature inside its container? A.cryogenic gas C.liquefied gas B.compressed gas D. nuclear gas 60. Before attacking a fire in a closed building, it is necessary to determine whether ventilating is necessary and, if so, the method to ventilate. Which is of LEAST value in making such decision? A.observing density os smoke through windows...