CH 7 Quiz

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Dallas Colleges *

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1345

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Mechanical Engineering

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Apr 3, 2024

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pdf

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Uploaded by PresidentCrane4085

Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m Only multiple-station smoke detectors are required by the codes to be tied into the building's power source, but single-station smoke detectors are not. (True/False) False The decision to use an automatic sprin- kler system, fire detection system, or smoke detection system is mostly based on budgetary concerns.(True/False) False The codes do not allow the connection of fire and smoke alarm systems to the building's security system.(True/False) False When a fire occurs, a detection sys- tem only detects the presence of smoke.(True/False) False An alarm can be activated both manually and automatically.(True/False) True Manual Fire Alarms must typically be placed within 5 feet (1524 mm) from the latch side of an exit door.(True/False) True Fire extinguishers must be in a glass case mounted on the wall.(True/False) False A detection system is required in all new buildings unless specifically ex- empted.(True/False) True If an active fire protection is used, it must be installed throughout the build- ing.(True/False) False Fire detection systems recognized in the codes must be automatic.(True/False) False A manual fire alarm is only required when an automatic sprinkler system is not provided.(True/False) False A manual fire alarm will set off an alarm to notify the occupants of a problem; but 1 / 7

Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m it will not activate the extinguishing sys- tem.(True/False) True When provided, manual fire alarms must be available to all occupants.(True/False) False Carbon monoxide detectors are only re- quired in residential occupancies with dwelling and sleeping units.(True/False) False If a fire alarm is activated on one floor, it will signal on all floors of the building to notify occupants of the fire.(True/False) False Automatic sprinkler systems are re- quired in one- and two-family homes by the codes.(True/False) True Smoke detectors are required in many commercial occupancies; smoke alarms are more common in residential occu- pancies.(True/False) True A heat detector in a fire protection sys- tem activates only is there is a rise in temperature in a certain area to indicate a fire.(True/False) False Most alarms must be audible and __________. visual, visible When required in a Class A space, the codes typically require that no occupant can be more than how many feet or mil- limeters from a fire extinguishers? 75 feet Portable fire extinguishers - NFPA 10 National fire alarm code and signaling code- NFPA 72 National electrical code - NFPA 70 Installation of sprinkler systems - NFPA 13 Emergency and standby power systems - NFPA 110 Fire safety and emergency symbols - 2 / 7

Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m NFPA 170 Carbon dioxide extinguishing systems - NFPA 12 What type of system directs occupants out of the building during an emergency by verbal command? A. Emergency voice alarm communica- tion system B. Accessible warning system c. Visual / audible system A. Emergency voice alarm communica- tion system When specifying a visual alarm, which of the following are regulated by the codes and the ADA standards? A. Height B. Color and intensity C. Flash rate and duration D. All of the above D. All of the above Which of the following is NOT considered a detection system? A. Smoke or heat detectors B. Manual fire alarms C. Fire stops C. Fire stops Which of the following statements about detection systems is correct? A. Smoke detectors should be located to the intersection of a wall or ceiling B.If heat detectors are used, smoke de- tectors are not necessary for accurate detection C. Smoke detectors are especially effec- tive in detecting smoldering fires C. Smoke detectors are especially effec- tive in detecting smoldering fires Which of the following is NOT considered an alarm system? A accessible warning system B. Manual fire alarm C. Voice communication system D. mass notification system B. Manual fire alarm 3 / 7

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Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m Which of the following statements about an EVACS is NOT correct? A. it provides direction to the occupants during an emergency B. Its speaker locations are based on paging zones created within the building C.it is required in most occupancy clas- sifications D. it is similar to a public address system C.it is required in most occupancy clas- sifications Which class of standpipe is designed for use by building occupants? A. Class 1 B. Class 2 C. Class 3 D. B and C D. B and C Which of the following is NOT typical- ly used by the codes to determine if a standpipe is required in a building? A. The number of stories in the building B. The number of stair wells in the build- ing C. A sprinkler system is located in the building D. The type of occupancy located in the building B. The number of stair wells in the build- ing Which of the following would affect the need for a sprinkler system? A. Building size B. Occupancy type C. Specific room use D. All of the above D. All of the above Which type of sprinkler system would typically be used where the system would be exposed to freezing tempera- tures? A. Wet pipe system B. Dry pipe system B. Dry pipe system 4 / 7

Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m C. Deluge system D. Fast-response system Which of the following is NOT typically al- lowed by the codes because a sprinkler system is provided? A. A reclassified occupancy type B. An increased travel distance C. A lower finish classification D. A lower fire resistance rating of a structural element A. A reclassified occupancy type Which of the following is NOT a type of sprinkler head? A. Residential B. Pendant C. Large-drop D. Fast-response B. Pendant How much clearance is typically required below the head or deflector of a sprin- kler? A. 12 inches B. 18 inches C. 24 inches D. 30 inches B. 18 inches Which of the following statements about fire-related codes is NOT correct? A. They control building materials, such as ducts, wiring, and pipes B. Elements and devices required by fire-related codes not have to meet ac- cessibility requirements of the ADA or ABA. C. They include provisions for fine protec- tion and smoke protection B. Elements and devices required by fire-related codes not have to meet ac- cessibility requirements of the ADA or ABA. Which of the following specialty types of rooms or areas is the most likely to use a non-water-based fire extinguishing system? A. Restaurant kitchen 5 / 7

Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m A. Restaurant kitchen B. Atrium C. Trash chute D. Boiler room Which of the following sprinkler head orientations are available recessed and surface-mounted? A. Pendant and sidewall B. Upright and pendant C. Concealed and sidewall D. Upright and concealed A. Pendant and sidewall What are the three components of an active fire protection system? Detection, alarm, extinguishing system Although the most typical sign of fire is smoke, detection systems can be initiat- ed by such as heat, gases released by combustion, changes in temperature, as well. What are these referred to as? Fire signatures More people are killed by the exposure to what rather than fire? Smoke or toxic gases What is the most common active fire pro- tection initiating device? Smoke detector What device is essentially a smoke de- tector that both detects smoke and sets off an integral alarm as a self-contained device? Smoke alarm What alarm device detects the fire and warns the occupants in the immediate area? Single - station alarm What alarm device is interconnected with a set of devices? Multiple - station alarm What device is initiated by the detection of smoke, fire, heat, or a combination or a manual pole station? Fire alarm 6 / 7

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Chapter 7 Quiz Questions Study online at https://quizlet.com/_czzo7m What system indicates the existence of an emergency and provides information to occupants? Emergency communication system What system lets people know that there is an emergency other than a fire and provides real time information and in- struction as to what to do? Mass notification system What are three basic types of sub- stances that fire extinguishers contain to put out a fire? Water, carbon dioxide, dry chemical agents What are two things that must be speci- fied in a project to determine the type of portable extinguisher? Occupancy and the anticipated type of fire Class A fire extinguisher Used in general usages, office, buildings, etc. Class B fire extinguisher Used in workshops, garage, and storage Class K fire extinguisher Used in commercial kitchens 7 / 7