Impairment Coordinator

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SUNY Buffalo State College *

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MISC

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Mechanical Engineering

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Feb 20, 2024

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Impairment Coordinator Person responsible for ensuring the proper safety precautions are taken when the protection system is placed out of service (designated by the owner). How many feet of hose would be found at the standpipe outlet ? 125 feet Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:04 / 0:15 Full screen In fire prevention there are three areas to consider: Education (building tenants) Engineering (layout, suppression systems etc) Enforcement(Building codes, Fire codes) Fire Drill Frequency for Group B Twice a year Fire Drill Frequency for Group R1 Quarterly each year Refresher training for Group B 1 hour annually (training) Refresher Training for Group R1 1 hour quarterly on each shift The fire alarm system on your buildings 4th floor has stop functioning. In this case, the fire alarm system would be deemed: out-of-service It shall be unlawful to transmit unnecessary or unwarranted alarms in any six-month period if the amount of those alarms is: three or more Which of the following statements is accurate ? A. Activation of a manual pull box shall not be construed as an unnecessary alarm. B. Activation of a manual pull box shall not be construed as an unwarranted alarm. C. Activation of a manual pull box shall not be construed as an unattended alarm. D. Activation of a manual pull box shall not be construed as a disfunctional alarm. A. Activation of a manual pull box shall not be construed as an unnecessary alarm. 5. The fire alarm system on the15th floor is unable to function in conformance with the law. In this case, the FSD should promptly notify: A. the tenants occupying the 15th and 16th floors

B. the tenants occupying the 15th, 16th and 17th floors C. the tenants occupying the 15th and 14th floors D. the tenants occupying the 15th floor D. the tenants occupying the 15th floor (occupants of the affected area). 6. An alarm log book shall be maintained on the premises. In general, where should it be kept ? A. in the Property Managers Office B. in the Chief Engineers Office C. in the Mechanical Equipment Room D. at the fire command station D. at the fire command station 7. Which of the following statements about the Alarm Log Book is incorrect? A. shall be a bound book (other than spiral bound) B. all entries shall be made in ink and dated C. shall be retained for a period of two years from the date of the last entry D. separate log book shall be kept for each calendar year C. shall be retained for a period of two years from the date of the last entry - 3 years not 2. 8. The interior fire alarm pull stations are positioned at the natural exits on each floor of the building. In larger buildings the fire alarm pull stations must be spaced so that the distance between stations does not exceed A. 200 feet B. 150 feet C. 300 feet D. 100 feet A. 200 feet 9. Interior fire alarm pull stations must be securely mounted to the wall A. at eye level B. between 3.5 and 5 feet above the floor level C. between 3 and 6 feet above the floor level D. at various heights depending on the tenancy B. between 3.5 and 5 feet above the floor level

10. All fire alarm pull stations must be painted . A. red with white stripes B. white with red stripes C. red D. white with red lettering C. red 11. Once activated, a fire alarm system cannot be shut off at the pull station. The alarm must be shut off at the main control panel by which of the following people? A. only the Certificate of Fitness holder B. only a uniformed member of the NYFD C. the Certificate of Fitness holder or a member of the engineering staff D. the Certificate of Fitness holder or an FDNY representative D. the Certificate of Fitness holder or an FDNY representative 12. In the case of a fire emergency where building occupants must be evacuated, occupants on which floor(s) are most seriously threatened by the spread of the fire and must be evacuated first? A. the fire floor and the floor above B. the fire floor and all floors above it C. the fire floor, the floor above it, and the floor below it D. the fire floor and other floors as determined by the FSD B. the fire floor and all floors above it 13. When a fire alarm pull station located outside your office building is used, the person who pulled the alarm must A. report to the Fire Command Station immediately afterwards B. notify his/her immediate supervisor C. wait at the alarm station until the fire fighting units arrive D. do nothing after pulling the alarm C. wait at the alarm station until the fire fighting units arrive 14. An alarm triggered by smoke from a lit cigarette in a non-smoking area, when the presence of such smoke does not implicate fire safety concerns, is called A. an unwarranted alarm B. an unnecessary alarm

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C. an unfounded alarm D. an unsubstantiated alarm B. an unnecessary alarm 15. An alarm signal transmitted by a fire alarm system which failed to function as designed is considered to be an unwarranted alarm. This type of alarm comes about as a result of A. improper installation B. improper maintenance C. malfunction D. all of the above D. all of the above 16. A signaling system which is operated by, and whose signals are received by the owner of the protected premises and which signals are capable of transmitting information to a Fire Department Borough Communications Office, is called A. an ancillary protective signaling system B. a proprietary protective signaling system C. a sub-system protective signaling system D. a direct-call protective signaling system B. a proprietary protective signaling system 17. During fire emergencies, the primary responsibility of the Fire Safety Director shall be A. the supervision and manning of the Fire Command Station B. the supervision and overseeing of fire fighting activities C. the supervision and overseeing of sprinkler/standpipe activation D. the supervision and manning of the search and rescue operation A. the supervision and manning of the Fire Command Station 18. In buildings100 feet or more in height, the Fire Command Station communication system shall be located on the ground floor and be able to communicate with all of the following locations except A the building roof B. each floor of the building C. the elevator control room

D. the mechanical equipment room A the building roof 19. In buildings100 feet or more in height, the Fire Command Station communication system shall consist of a loud speakers in each of the following locations except A. each floor of the building B. in each elevator C. each stair enclosure D. along the building perimeter D. along the building perimeter 20. The Fire Command Station communication system should be capable of two- way voice communication between the fire command station and the following location(s) A. a designated floor warden station on each floor B. mechanical control center and air-handling control rooms C. elevators and elevator machine rooms D. all of the above D. all of the above 21. The Fire Command Station display shall have the capability to monitor the following systems except: A. Smoke Detection B. Sprinkler Waterflow C. Elevator Lobby Detector D. Open hallway doors 22. When the alarm system is taken off-line, the Alarm Log Book must contain certain entries. Which one of the following choices shows an entry that is not required: A. the date and time the system was taken off-line/restored to service B. the reason for such action C. the name and operator number of the person notified at the central station D. the name of the person who performed the repair D. the name of the person who performed the repair 23. The testing of Class "E" and "J" alarm systems must be physically tested at reasonable intervals. Which one of the following statements is correct?

A. The Public Address System is required to be tested semi-annually B. The Central Station Connection is required to be tested semi-annually C. The Firemens Service Elevator is required to be tested daily D. The Lamp Test is required to be tested monthly A. The Public Address System is required to be tested semi-annually 24. Which one of the following statements is correct? A. The Manual Pull Stations are required to be tested semi-annually B. The Alarm/Strobe System is required to be tested monthly C. The Floor Wardens Phones are required to be tested monthly D. The Fail Safe Release is required to be tested annually A. The Manual Pull Stations are required to be tested semi-annually 25. In case of a fire emergency, building occupants must be evacuated. The people who are most seriously threatened by the spread of the fire, who must be evacuated first, would be A. occupants on the fire floor and the floor above B. occupants on the fire floor and the 2 floors above C. occupants on the fire floor, one floor above, and one floor below D. occupants on the fire floor and all floors above A. occupants on the fire floor and the floor above 26. The telephone numbers of the local Fire Company and the Fire Department Borough Communication Office must be posted A. near the phones most accessible to the most people B. near the phones most likely to be used in case of an emergency C. near the phones located in the main lobby D. near the phones located in each elevator lobby B. near the phones most likely to be used in case of an emergency . 27. On receipt of an alarm for fire the Fire Brigade will A. report to the floor below the fire to assist in evacuation B. report to the floor above the fire to provide information to the Fire Command Station

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C. endeavor to control the spread of fire by closing doors, etc. prior to evacuation D. None of the above A. report to the floor below the fire to assist in evacuation 28. The Fire Brigade should attempt to control a fire until arrival of the Fire Department, if A. the FSD orders it B. it has been determined that there will be a delayed response by the Fire Department C. the fire is small and conditions do not pose a personal threat D. human life is being threatened by it C. the fire is small and conditions do not pose a personal threat 29. On receipt of an alarm for fire, the Fire Brigade will leave one of their members at a location to direct the Fire Department to the fire location, and to inform them of conditions. That location is A. two floors below the fire floor B. the floor below the fire floor C. three floors below the fire floor D. two floors above the fire floor B. the floor below the fire floor 30. On arrival of the Fire Department, the Fire Brigade shall report A. to the Fire Command Station for additional instructions B. to the posts they were manning prior to receipt of the alarm C. to the doors to prevent entry into the building D. to the Property Managers Office for re-assignment A. to the Fire Command Station for additional instructions 31. The majority of fire deaths are a result of A. burns B. trip and falls C. being struck by falling debris D. smoke inhalation D. smoke inhalation

32. Panic is sometimes defined as a sudden and excessive feeling of alarm or fear usually affecting a body of persons, originating in some real or supposed danger. Which of the following statements is accurate? A. People panic when there is no hope of escape. B. Contagious behavior is never an element of panic. C. Irrational, illogical response to the fire situation is an element of panic D. Concern for others overriding personal concern is an element of panic C. Irrational, illogical response to the fire situation is an element of panic 33. The following statements represent an experts opinion about panic. Which statement is incorrect? A. there is usually no evidence of panic when there is no hope of escape B. people tend to "follow the leader" in times of stress or when they need reassurance about their actions C. panic occurs in those instances where an individual does not follow the actions of the group D. contagious behavior is very uncommon in emergencies D. contagious behavior is very uncommon in emergencies 34. Which of the following statements is accurate? A. Most people leave separately in a dangerous situation B. Some people practice Denial during a fire, especially during the latter stages C. the speed of the evacuation is usually based on the speed of the fastest member D. Some people elect to "finish up" what they were engaged in even after the fire alarms have sounded D. Some people elect to "finish up" what they were engaged in even after the fire alarms have sounded 35. When Evacuation is deemed necessary A. Occupants shall try to use the same stairs being used by the Fire Department B. Initial evacuation should be via uncontaminated elevators C. Evacuation to one level below the fire floor is generally adequate D. Occupants shall select an alternate stairwell if a stairwell is effected by smoke, D. Occupants shall select an alternate stairwell if a stairwell is effected by smoke, 36. Which person/entity listed below is responsible for the availability and state of readiness of the Fire Brigade?

A. The N.Y.C. Fire Dept., Bureau of Fire Prevention. B. The owner of the building. C. Each employer of the tenants occupying the building. D. The Fire Safety Director. D. The Fire Safety Director. 37. Standpipe systems are classified depending on who is expected to use the system. A Class I system is designed to be used by Fire Department and Fire Brigade personnel. What is the diameter of the fire hoses in these systems? A. 2½ inches B. 2 inches C. 1½ inches D. 1 inch A. 2½ inches 38. The qualified building service employees who make up the Fire Brigade will be organized and trained by A. The Property Manager B. Certified F.S.D. Schools C. The Fire Safety Director D. The N.Y.F.D. Training Academy C. The Fire Safety Director 39. The FSD is responsible for the designation of a Fire Warden for A. each floor B. every other floor C. every floor not equipped with a sprinkler system D. every floor not equipped with smoke detectors A. each floor 40. Sufficient Deputy Fire Wardens should be designated for A. 75% of the tenancy B. for each tenancy lacking a Fire Warden C. each tenancy D. specific tenancies as per the Property Manager

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C. each tenancy 41. How frequently should a FSD perform a check for the availability of the Fire Warden and Deputy Fire Wardens? A. daily B. weekly C. twice a month D. twice a week A. daily 42. A tenant shall make responsible and dependable employees available for designation as Fire Warden and Deputy Fire Wardens upon request of A. the person in charge of the building B. the FSD C. The N.Y.C. Fire Dept. D. the Fire Safety Coordinator A. the person in charge of the building or the owner 43. Each floor of a building shall be under the direction of a designated Fire Warden, who shall be assisted in his duties by Deputy Fire Wardens. In the event of a fire, they are responsible for A. the training of occupants B. the identification of responsible occupants C. the fire fighting skills of occupants D. the evacuation of occupants D. the evacuation of occupants 44. A Deputy Fire Warden shall be provided for each tenancy. When the floor area of a tenancy exceeds a certain amount of square feet of occupiable space, a Deputy Warden shall be assigned for each such A. 7,500 square feet or part thereof B. 7,000 square feet or part thereof C. 8,500 square feet or part thereof D. 6,500 square feet or part thereof A. 7,500 square feet or part thereof 45. Each Fire Warden and Deputy Fire Warden shall be familiar with the Fire Safety Plan, the location of exits and the location and operation of any available

A. trash compactor B. flame producing equipment C. passenger elevator D. fire alarm system D. fire alarm system 46. In the event of fire alarm the Fire Warden shall first A. Ascertain the location of the fire B. Ascertain the location of the Deputy Fire Wardens C. Ascertain the location of the fire brigade D. Ascertain location of the FSD A. Ascertain the location of the fire 47. A Fire Warden should know that in the event of a fire, if the elevators servicing his floor also service the fire floor, they A. may be used only with extreme caution B. may be used as a last resort C. may not be used D. may not be used by non-tenants C. may not be used 48. Fire Wardens should know that in the event of a fire, elevators may be used if there is more than one bank of elevators, and he is informed by whom, that one bank is unaffected by the fire. A. Informed from the floor below the fire floor B. Informed from the Fire Command Station C. Informed from the chief of the Fire Brigade D. Informed from those in an unaffected area B. Informed from the Fire Command Station 49. In the event of a fire there are times and circumstances under which elevators may be used. They may be used A. if there is more than one bank of elevators, and the Fire Warden is informed from the Fire Command Station that one bank is unaffected by the fire B. if elevators do not service the fire floor and their shafts have no openings on the fire floor, they may be used, unless otherwise directed

C. if manned by trained building personnel or fireman D. all of the above D. all of the above 50. In the event of a fire, and in the absence of a serviceable elevator the Fire Warden shall select the safest stairway to use for evacuation based on information received from the Fire Command Station and . A. directions from immediate supervisors B. the odor of smoke C. the location of the fire D. all of the above C. the location of the fire 51. In the event of a fire, the Fire Warden shall check the environment in the stair prior to entry for evacuation. If it is affected by smoke, the Fire Command Station shall be notified and A. an alternate stair shall be selected B. an elevator shall be selected C. a shelter-in-place shall be commenced D. the evacuation will be suspended A. an alternate stair shall be selected 52. During a fire, the most critical areas for immediate evacuation are the fire floor and the floors immediately above. Evacuation from the other floors shall be instituted when A. instructions from the Property Manager indicates such action B. conditions indicate such action C. the majority of tenants demand it D. the Fire Brigade suggests such action B. conditions indicate such action 53. A Building Evacuation Supervisor is required at all times when there are occupants in the building and A. there is no Fire Safety Director on duty in the building. B. there is no Deputy Fire Safety Director on duty in the building. C. there is no Deputy Fire Safety Director required to be on duty in the D. there is no Fire Safety Director required to be on duty in the building

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D. there is no Fire Safety Director required to be on duty in the building 54. During fire emergencies, the primary responsibility of the Building Evacuation Supervisor shall be to A. supervise the emergency B. man the Fire Command Station C. man the Fire Brigade D. supervise the Fire Brigade B. man the Fire Command Station 55. The Building Evacuation Supervisors training and related activities shall be subject to Fire Department control, and shall be under the direction of A. his immediate supervisor B. the Fire Safety Director C. the Buildings owner D. the Fire Department B. the Fire Safety Director 56. How often should fire drills be conducted for existing buildings? A. twice every six months B. once a year C. quarterly D. once every six months D. once every six months 57. How often should fire drills be conducted for new buildings, i.e., during the first two years after the issuance of the certificate of occupancy? A. twice every six months B. every other month C. quarterly D. once every three months D. once every three months 58. Who shall participate in fire drills? A. all occupants B. volunteer occupants only

C. occupants of every other floor D. none of the above A. all occupants 59. During a fire drill, occupants of the building, other than building service employees, are A. required to leave the floor B. required to use the exits during the drill C. not required to leave the floor D. not required to vacate their cubicle C. not required to leave the floor 60. A written record of fire drills shall be readily available for Fire Department inspection, and shall be kept on the premises for a A. two year period B. three year period C. one year period D. five year period B. three year period 61. A building classified in §27-253 of the Building (Administrative) Code as occupancy group E, is one which is occupied or arranged to be occupied for an occupant load of more than A. 150 persons above or below the street level or more than a total of 500 persons in the entire building B. 100 persons above or below the street level or more than a total of 400 persons in the entire building C. 150 persons above or below the street level or more than a total of 400 persons in the entire building D. 100 persons above or below the street level or more than a total of 500 persons in the entire building D. 100 persons above or below the street level or more than a total of 500 persons in the entire building 62. Which of the statements listed below is Not an objective of having Fire Drills. Fire Drills are conducted A. to provide proper education as a part of one-time only employee indoctrination B. to assure the prompt reporting of fire

C. to assure the prompt response to fire alarms as designated D. to assure the immediate initiation of the fire safety procedures to safeguard life and contain fire A. to provide proper education as a part of one-time only employee indoctrination. Education is on going, continuos 63. A standpipe system shall be subjected to a hydrostatic pressure test, and also a flow and pressure test, to demonstrate its suitability for Fire Department use. These tests shall be conducted A. at least once in two years B. at least once in five years C. at least once a year D. at least once in three years B. at least once in five years 64. The Certificate of Fitness holder should immediately report all major standpipe system defects to all of the following, except: A. the local Fire Company B. the Bureau of Fire Prevention C. the affected tenant D. the owner or manager of the building C. the affected tenant 65. The FSD must report the complete or partial shut down of sprinkler and/or standpipe systems for repairs, or other reasons, to : A. the N.Y.C. Water Dept. B. the Bureau of Fire Prevention C. the affected tenant D. adjacent building owners B. the Bureau of Fire Prevention 66. Standpipe defects or violations which are minor in nature should be reported to the owner or manager of the building. The defects should be reported in writing to the Bureau of Fire Prevention if the defects are not corrected within A. 30 days B. 20 days C. 15 days

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D. 10 days A. 30 days 67. The caps of each siamese connection used for combination standpipe and sprinkler systems shall be painted what color? A. white B. yellow C. red with white stripes D. green B. yellow 68. When responding to an alarm most Fire Departments supply water to which system first? A. gravity tank system B. roof manifold system C. sprinkler system D. standpipe system D. standpipe system 69. Care should be taken that standpipe and the sprinkler connections are properly marked because the connections look the same. The New York Building Code requires siamese connections to be color coded. The siamese connection to a standpipe system should be painted A. green B. aluminum C. red D. white C. red 70. The standpipe system provides water that fire fighters can manually discharge through hoses onto a fire. Water is fed into a piping system which runs vertically (up and down) and horizontally (side to side) throughout the building. The piping running vertically are usually called A. verticals B. gravity fed C. risers D. none of the above C. risers

71. When a standpipe system is installed and properly maintained it is a very effective means for extinguishing fires. This piping system supplies water to every floor in the building. Standpipe risers are usually located in the staircase enclosures or in the building A. walls B. ceilings C. floors D. hallways D. hallways 72. Standpipe systems are used in buildings where it may be difficult for the Fire Department to pump water on the fire. Standpipe systems are required in buildings that are over how many feet in height? A. 100 B. 75 C. 60 D. 50 B. 75 73 . The top of a standpipe riser extends up onto the roof. Three hose connections are attached to the top of the standpipe riser. These three connections make up the A. roof manifold B. O S & Y C. gate valve assembly D. release rack A. roof manifold 74. Which of the following statements is accurate? A. A standpipe system may not be combined with an automatic fire protection system B. A standpipe system and a sprinkler system may never be installed in the same building C. The standpipe and the sprinkler systems may never share the same water supply D. The standpipe and the sprinkler systems may share the same riser piping D. The standpipe and the sprinkler systems may share the same riser piping

75. The roof manifold is used when testing the water flow in the standpipe system, and when extinguishing fires A. on the roof B. on the upper floors C. in adjacent buildings D. on the top floor A. on the roof 76. The hose and nozzle in a standpipe system must be accessible at all times. The hose outlets are located so that every part of the building may be reached with a hose stream. The maximum length of a single hoseline is A. 100 feet B. 125 feet C. 75 feet D. 50 feet B. 125 feet 77. Sometimes, standpipe system hoses are installed in cabinets. If the hoses are installed in cabinets each cabinet should be labeled A. "FIRE HOSE" B. "HOSE CABINET " C. "STANDPIPE SYSTEM" D. "FSD EQUIPMENT" A. "FIRE HOSE" 78. A pressure-reducing device should be installed in the piping at each standpipe system hose outlet. This device controls the maximum pounds per square inch of water pressure allowed to flow into the hose. The maximum psi of water pressure allowed to flow into the hose is A. 70 psi B. 80 psi C. 90 psi D. 100 psi D. 100 psi 79. It is dangerous if the water pressure in a standpipe system hose outlet is too high. An occupant of the building may be injured if a hose is used when the

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pressure-reducing device is not installed. However, during an emergency who may remove the pressure-reducing device? A. the fire fighter B. the FSD C. the fire-floor Fire Warden D. the Chief Engineer A. the fire fighter 80. Each standpipe system is fitted with a drain valve. The drain valve is located at the lowest point on the standpipe system. The drain valve is used when the standpipe system is being tested or repaired. Under normal conditions the drain valve is sealed in what position? A. closed B. half open C. fully opened D. one-turn opened A. closed 81. OS&Y (Outside Stem and Yoke) gate valves are installed at several places in the standpipe system. The OS&Y valves can be used to shut down part of the standpipe system. Sections may be shut down for testing, repairs or maintenance. The stem of an OS&Y valve must be kept in what position at all times? A. the retracted, or open, position B. the extended, or open, position C. the extended, or closed, position D. the retracted, or closed, position B. the extended, or open, position 82. A Wet Standpipe system always has water under pressure in the piping so it should be protected from freezing. In some cases it may be necessary to increase the water pressure by means of a A. diverter valve B. gravity booster C. auxiliary system

D. fire pump D. fire pump 83. A Dry Standpipe system is usually installed in unheated buildings. Under normal conditions there is no water in the standpipe. Instead of water, what substance is in the system, under pressure? A. foam B. anti-freeze liquid C. air D. liquid chemicals C. air 84. A dry pipe valve is installed in a Dry Standpipe system to automatically permit water into the standpipe when what takes place? A. a hose is opened B. a wrench is turned C. a siamese connection is activated D. an electronic signal is received A. a hose is opened 85. There are 3 classes of standpipe systems, and they are classified depending on who is expected to use the system and the size of the fire hoses in the system. Which of the following statements is inaccurate? A. Class I. This system is designed to be used only by the NYFD B. Class II. This system is designed to be used by the occupants of a shelter. C. Class III. This system may be used by either trained fire fighters or by occupants of a shelter. D. Class I. fire hoses are 2½ inches in diameter; Class II. fire hoses are 1½ inches in diameter. A. Class I. This system is designed to be used only by the NYFD (AND specially trained personnel). 86. When a standpipe system is supplied from a public water main, operating a control valve between the building and the water main may close down the entire system. A special key may be required to operate this valve. This shutoff valve is frequently located in a box that is recessed in the A. wall B. ceiling

C. basement D. sidewalk D. sidewalk 87. Fire Department connections to a standpipe system must be readily accessible, and properly marked. Each connection should be fitted with a device that prevents the backflow of the private water supply into the public water supply. This device is called a A. OS & Y valve B. check valve C. backpressure valve D. reverse osmosis valve B. check valve 88. . of adequate capacity and pressure is What water supply connection is the preferred single or primary supply for a standpipe system? A. a connection from a reliable and adequate public water works system B. a connection from a reliable and adequate gravity tank (good primary supply, may be acceptable as a single supply C. a connection from a reliable and adequate pressure tank (important limitation is the small volume of water that can be stored) D. a connection from a reliable and adequate fire pump A. a connection from a reliable and adequate public water works system 89. Where a small pressure tank is accepted as the water supply for a standpipe system, the system is classified as a A. "primary supply system". B. "secondary supply system". C. "reasonable supply system". D. "limited supply system" D. "limited supply system" 90. A building may have both a standpipe and a sprinkler system installed. Each system may have its own water supply source. For example, the standpipe system may be supplied by a gravity tank and the sprinkler system supplied by a pressure tank. Which of the following is an accurate statement? A. It is quite common for the two systems to share the same water supply source. B. The two systems should never share the same water supply source

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C. It is very rare for the two systems to share the same water supply source. D. For the two systems to share the same water supply source, it would only be by exception A. It is quite common for the two systems to share the same water supply source. 91. The sprinkler and standpipe systems must be regularly inspected to make sure that they are working properly, and free from corrosion, physical damage, and especially tampering. All parts of the sprinkler and standpipe system must be visually inspected A. weekly B. monthly C. bi-monthly D. semi-annually B. monthly 92. Under normal conditions the pipes in the non-automatic sprinkler systems are dry. Water is supplied when necessary by pumping water into the system through A. roof manifold B. OS & Y valve C. the siamese connection D. gravity tank C. the siamese connection 93. Sprinkler heads are made of metal, and are screwed into the piping at standard intervals. What size is the opening, through which the water is discharged, in a standard sprinkler head? A. 1 inch opening B. 1/4 inch opening C. 3/4 inch opening D. 1/2 inch opening D. 1/2 inch opening 94. A sprinkler head is held closed by an arrangement of soldered levers and links. This prevents the discharge of water until it is needed because of a fire. The solder is designed to melt when the temperature in the room reaches a predetermined level. When the solder melts the levers and links separate and the sprinkler heads opens, the sprinkler head is said to have A. "linked"

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B. "fused" C. "activated" D. "launched" B. "fused"

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Impairment Coordinator

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