Fire Detection Systems Overview
52 Questions
100 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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.

False

The decision to use an automatic sprinkler system, fire detection system, or smoke detection system is mostly based on budgetary concerns.

False

The codes do not allow the connection of fire and smoke alarm systems to the building's security system.

False

When a fire occurs, a detection system only detects the presence of smoke.

<p>False</p> Signup and view all the answers

An alarm can be activated both manually and automatically.

<p>True</p> Signup and view all the answers

Manual Fire Alarms must typically be placed within 5 feet (1524 mm) from the latch side of an exit door.

<p>True</p> Signup and view all the answers

Fire extinguishers must be in a glass case mounted on the wall.

<p>False</p> Signup and view all the answers

A detection system is required in all new buildings unless specifically exempted.

<p>True</p> Signup and view all the answers

If an active fire protection is used, it must be installed throughout the building.

<p>False</p> Signup and view all the answers

Fire detection systems recognized in the codes must be automatic.

<p>False</p> Signup and view all the answers

A manual fire alarm is only required when an automatic sprinkler system is not provided.

<p>False</p> Signup and view all the answers

A manual fire alarm will set off an alarm to notify the occupants of a problem; but it will not activate the extinguishing system.

<p>True</p> Signup and view all the answers

When provided, manual fire alarms must be available to all occupants.

<p>False</p> Signup and view all the answers

Carbon monoxide detectors are only required in residential occupancies with dwelling and sleeping units.

<p>False</p> Signup and view all the answers

If a fire alarm is activated on one floor, it will signal on all floors of the building to notify occupants of the fire.

<p>False</p> Signup and view all the answers

Automatic sprinkler systems are required in one- and two-family homes by the codes.

<p>True</p> Signup and view all the answers

Smoke detectors are required in many commercial occupancies; smoke alarms are more common in residential occupancies.

<p>True</p> Signup and view all the answers

A heat detector in a fire protection system activates only if there is a rise in temperature in a certain area to indicate a fire.

<p>False</p> Signup and view all the answers

Most alarms must be audible and __________.

<p>visible</p> Signup and view all the answers

When required in a Class A space, how far must no occupant be from a fire extinguisher?

<p>75 feet</p> Signup and view all the answers

Match the following fire-related codes and their purposes:

<p>NFPA 10 = Portable fire extinguishers NFPA 72 = National fire alarm code and signaling code NFPA 70 = National electrical code NFPA 13 = Installation of sprinkler systems NFPA 110 = Emergency and standby power systems NFPA 170 = Fire safety and emergency symbols NFPA 12 = Carbon dioxide extinguishing systems</p> Signup and view all the answers

What type of system directs occupants out of the building during an emergency by verbal command?

<p>Emergency voice alarm communication system</p> Signup and view all the answers

When specifying a visual alarm, which of the following are regulated by the codes and the ADA standards?

<p>All of the above</p> Signup and view all the answers

Which of the following is NOT considered a detection system?

<p>Fire stops</p> Signup and view all the answers

Which of the following statements about detection systems is correct?

<p>Smoke detectors are especially effective in detecting smoldering fires</p> Signup and view all the answers

Which of the following is NOT considered an alarm system?

<p>Manual fire alarm</p> Signup and view all the answers

Which of the following statements about an EVACS is NOT correct?

<p>It is required in most occupancy classifications</p> Signup and view all the answers

Which class of standpipe is designed for use by building occupants?

<p>B and C</p> Signup and view all the answers

Which of the following is NOT typically used by the codes to determine if a standpipe is required in a building?

<p>The number of stair wells in the building</p> Signup and view all the answers

Which of the following would affect the need for a sprinkler system?

<p>All of the above</p> Signup and view all the answers

Which type of sprinkler system would typically be used where the system would be exposed to freezing temperatures?

<p>Dry pipe system</p> Signup and view all the answers

Which of the following is NOT typically allowed by the codes because a sprinkler system is provided?

<p>A reclassified occupancy type</p> Signup and view all the answers

Which of the following is NOT a type of sprinkler head?

<p>Residential</p> Signup and view all the answers

How much clearance is typically required below the head or deflector of a sprinkler?

<p>18 inches</p> Signup and view all the answers

Which of the following statements about fire-related codes is NOT correct?

<p>Elements and devices required by fire-related codes do not have to meet accessibility requirements of the ADA or ABA</p> Signup and view all the answers

Which of the following specialty types of rooms or areas is the most likely to use a non-water-based fire extinguishing system?

<p>Restaurant kitchen</p> Signup and view all the answers

Which of the following sprinkler head orientations are available recessed and surface-mounted?

<p>Pendant and sidewall</p> Signup and view all the answers

What are the three components of an active fire protection system?

<p>Detection, alarm, extinguishing system</p> Signup and view all the answers

What are the initiating signs that detection systems can be activated by?

<p>Fire signatures</p> Signup and view all the answers

More people are killed by the exposure to what rather than fire?

<p>Smoke or toxic gases</p> Signup and view all the answers

What is the most common active fire protection initiating device?

<p>Smoke detector</p> Signup and view all the answers

What device is essentially a smoke detector that both detects smoke and sets off an integral alarm as a self-contained device?

<p>Smoke alarm</p> Signup and view all the answers

What alarm device detects the fire and warns the occupants in the immediate area?

<p>Single-station alarm</p> Signup and view all the answers

What alarm device is interconnected with a set of devices?

<p>Multiple-station alarm</p> Signup and view all the answers

What device is initiated by the detection of smoke, fire, heat, or a combination or a manual pole station?

<p>Fire alarm</p> Signup and view all the answers

What system indicates the existence of an emergency and provides information to occupants?

<p>Emergency communication system</p> Signup and view all the answers

What system lets people know that there is an emergency other than a fire and provides real-time information and instruction as to what to do?

<p>Mass notification system</p> Signup and view all the answers

What are three basic types of substances that fire extinguishers contain to put out a fire?

<p>Water, carbon dioxide, dry chemical agents</p> Signup and view all the answers

What are two things that must be specified in a project to determine the type of portable extinguisher?

<p>Occupancy and the anticipated type of fire</p> Signup and view all the answers

What is Class A fire extinguisher used for?

<p>Used in general usages, office, buildings, etc.</p> Signup and view all the answers

What is Class B fire extinguisher used for?

<p>Used in workshops, garage, and storage</p> Signup and view all the answers

What is Class K fire extinguisher used for?

<p>Used in commercial kitchens</p> Signup and view all the answers

Study Notes

Fire Detection and Alarm Systems

  • Only multiple-station smoke detectors are required to be connected to the building's power; single-station detectors do not have this requirement.
  • The choice of automatic sprinkler systems or fire detection systems primarily depends on safety needs, not just budget.
  • Fire and smoke alarm systems can be connected to the building's security system, contrary to some beliefs.

Alarm and Detection Functionality

  • Detection systems identify not only smoke but also heat and other indicators of fire.
  • Alarms can be activated through manual action or automatically by the detection system.

Placement and Accessibility

  • Manual fire alarms should be positioned within 5 feet of exit doors for easy access.
  • Fire extinguishers do not need to be mounted in glass cases; they can be placed in other appropriate locations.

Regulations and Codes

  • All new buildings require a detection system unless specifically exempted.
  • Automatic fire detection systems are not always mandatory—various types could be recognized by the codes.
  • Manual fire alarms are necessary even when automatic sprinkler systems are in place.

Detection Types and Requirements

  • Carbon monoxide detectors are required in multiple building types, not limited to residential units.
  • When activated, fire alarms may notify only specific floors, rather than the entire building.

Sprinkler Systems

  • Automatic sprinkler systems are mandated in one- and two-family homes according to the codes.
  • Specific occupancy types, building sizes, and room uses affect the need for sprinkler systems.

Fire Codes and Compliance

  • Fire codes govern many aspects of construction materials and devices, ensuring safety during emergencies.
  • Accessibility requirements for fire-related elements must comply with ADA and ABA standards.

Classification of Fire Extinguishers

  • Different classes of fire extinguishers are designed for specific types of fires (Class A for general use, Class B for workshops, and Class K for kitchens).
  • The contents of fire extinguishers include water, carbon dioxide, and dry chemical agents, which are chosen based on occupancy types and expected fire scenarios.

Alarm and Emergency Communication Systems

  • Emergency voice alarm communication systems guide occupants during emergencies.
  • Visual alarms must adhere to codes and ADA standards regarding aspects like height, color, and flash rate.

Components and Effectiveness

  • The three essential components of an active fire protection system are detection, alarm, and extinguishing systems.
  • Smoke from fires is a primary danger, often more lethal than the fire itself due to toxic gases produced.

Specific Devices and Their Purposes

  • Smoke detectors are the most common active fire protection devices, and smoke alarms integrate detection and sounding an alarm into one unit.
  • Different alarm types include single-station alarms (localized alerts) and multiple-station alarms (interconnected devices providing broader notifications).

Special Situations and Provisions

  • Non-water fire extinguishing systems are frequently used in kitchens, where grease fires are a concern.
  • Sprinkler head placements require an 18-inch clearance from obstructions for optimal effectiveness.

Additional Notes

  • Elements like flash rate, intensity, and placement of alarms are meticulously regulated to ensure efficacy and compliance with safety requirements.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Explore the essentials of fire detection and alarm systems, including regulations regarding smoke detectors and their integration with security systems. Understand the functionality and placement of fire alarms and detection systems to ensure safety in buildings.

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser