[2025年03月29日] 最新でリアルなCFPS試験問題集解答
あなたを簡単に合格させるCFPS試験問と正確なCertified Fire Protection Specialist (CFPS)のPDF問題
質問 # 104
The NBS smoke chamber was developed specifically to measure.
- A. Temperature of smoke
- B. Color of smoke
- C. Obscuration by smoke particulates
- D. Density of smoke layer
正解：D
解説：
質問 # 105
Fire alarm wire failure can be classified as:
I) Conductor breakage
II) Short circuits
III) Insulation loss
IV) Trouble signals
- A. I and III
- B. II
- C. II and IV
- D. I
正解：C
質問 # 106
What type of team conducts a quick evaluation of the area to identify the number of people involved?
- A. Rescue
- B. Recon
- C. Search
- D. Survey
正解：A
質問 # 107
Existing Board and Care Facilities classify the residents based on all of the following evacuation capabilities EXCEPT.
- A. prompt
- B. Slow
- C. impractical
- D. normal
正解：D
解説：
Evacuation Capability. The ability of occupants, residents, and staff as a group either to evacuate a building or to relocate from the point of occupancy to a point of safety.
Impractical Evacuation Capability. The inability of a group to reliably move to a point of safety in a timely manner.
Prompt Evacuation Capability. The ability of a group to move reliably to a point of safety in a timely manner that is equivalent to the capacity of a household in the general population.
Slow Evacuation Capability. The ability of a group to move reliably to a point of safety in a timely manner, but not as rapidly as members of a household in the general population.
質問 # 108
Potassium bicarbonate is a dry chemical agent considered to be twice as effective as
- A. sodium chloride.
- B. potassium sulfide.
- C. Asodium bicarbonate.
- D. monoammonium phosphate.
正解：C
解説：
Explanation
Potassium bicarbonate is a dry chemical agent that is considered to be twice as effective as sodium bicarbonate in fire suppression, especially for Class B fires involving flammable liquids and gases. This is because potassium bicarbonate has a higher melting point and a lower decomposition temperature than sodium bicarbonate, which allows it to form a more stable and insulating layer on the burning surface.Potassium bicarbonate also has a lower pH and a higher specific gravity than sodium bicarbonate, which enhances its penetration and dispersion abilities123.References:Dry Chemical Agents - Purple-K Powder is Purple - Chemguard;Evaluation of Dry Chemical Fire Extinguishing Standards - NFPA;Potassium bicarbonate - Wikipedia.
質問 # 109
The pressure produced by a column of water 1 foot high is:
- A. 14.7 psi
- B. 0.433 psi
- C. 2.31 psi
- D. 29.9 psi
正解：C
質問 # 110
What type of standpipe system provides 21/2 in. (65 mm) hose connections at designated locations in a building for use by the fire department?
- A. Class II
- B. Class I
- C. Class IV
- D. Class III
正解：B
解説：
Explanation
A Class I standpipe system provides 2 1/2 in. (65 mm) hose connections at designated locations in a building for use by the fire department. A Class I standpipe system is intended to supply water for fire fighting operations by trained personnel using hoses of 1 1/2 in. (40 mm), 1 3/4 in. (45 mm), or 2 in. (50 mm) nominal diameters. A Class I standpipe system is required to deliver a minimum flow rate of 250 gpm (946 L/min) at a minimum residual pressure of 100 psi (6.9 bar) at the most remote hose connection.References:
NFPA 14: Standard for the Installation of Standpipe and Hose Systems, 2019 Edition, Section 3.3.4.11 Fire Protection Handbook, 20th Edition, Volume 1, Chapter 8, Section 8.2.1.12
質問 # 111
What type of smoke management method is referred to as smoke purging, smoke removal, smoke exhaust, or smoke extraction?
- A. Compartmentation
- B. Airflow
- C. Dilution
- D. Pressurization
正解：B
解説：
Explanation
Smoke purging, smoke removal, smoke exhaust, or smoke extraction are different terms for the same type of smoke management method, which is airflow. Airflow is the method of controlling smoke by creating a flow of air that either pushes or pulls the smoke away from the desired areas. Airflow can be achieved by natural or mechanical means, such as vents, fans, or dampers. Airflow can also be used to create a smoke layer above the occupant level in large spaces, such as atriums or warehouses, by exhausting the hot smoke and supplying fresh air below the layer.References:Smoke Extraction System - NAFFCO Smoke Management;Post-Fire Smoke Purge Systems: When Are They Required? - NY Engineers; NFPA Fire Protection Handbook, 21st Edition, Chapter 9, Section 9.2.1.
質問 # 112
Building codes should limit the size of an unsprinklered facility used for the processing and storage of Municipal Solid Waste built of type V construction to how many square feet?
- A. 10,000
- B. 7,500
- C. 9,000
- D. 8,500
正解：B
解説：
Explanation
According to NFPA 230: Standard for the Fire Protection of Storage, 2015 Edition, building codes should limit the size of an unsprinklered facility used for the processing and storage of Municipal Solid Waste (MSW) built of type V construction to 7,500 ft2 (697 m2). This is based on the assumption that the MSW has a heat release rate of 18,000 Btu/ft2-min (200 kW/m2) and a fire growth rate of 0.046 min-1.Type V construction is defined as a type of construction in which the structural elements, exterior walls, and interior walls are of any materials permitted by the code123 References:
NFPA 230: Standard for the Fire Protection of Storage
5 Types of Construction per the IBC | Building Code Trainer
2.4 MUNICIPAL SOLID WASTE LANDFILLS - U.S. Environmental Protection Agency
質問 # 113
At a industrial or commercial facility, preincident (prefire) planning involves at least which three components?
- A. Systems, response time, site considerations
- B. Building construction, protection, site considerations
- C. Protection, site considerations, time of day
- D. Building construction, response time, occupancy
正解：D
質問 # 114
The incident command system (ICS) under the National Incident Management System (NIMS) has how many major functional areas?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 115
Irritant effects from exposure to fire atmospheres are normally considered by combustion as being of which two types?
- A. Toxic and Non-Toxic
- B. Sensory and Pulmonary
- C. Major and Minor
- D. Dangerous and Not Dangerous
正解：B
質問 # 116
What much conducted when new emission standards are imposed on an operational plan for a boiler system, and they exceed the operating limits of the existing system?
- A. A thorough inspection of the boiler plant
- B. A Federal Clean Air Act Waiver
- C. A review of the as-built drawings
- D. An engineering analysis
正解：A
質問 # 117
Which smoke detector type contains a small amount of radioactive material and functions by sensing a decrease in conductance of the air when smoke particles enter the chamber?
- A. lonization
- B. Light scattering
- C. Cloud chamber air sampling
- D. Photoelectric
正解：A
解説：
Explanation
Smoke detector
Explore
The smoke detector type that contains a small amount of radioactive material and functions by sensing a decrease in conductance of the air when smoke particles enter the chamber is theionization smoke detector.
Ionization smoke detectors use a small amount of americium-241, a radioactive element, to ionize the air molecules inside a sensing chamber. This creates a low-level electric current between two electrodes. When smoke enters the chamber, it disrupts the ionized air and reduces the current flow. This triggers the alarm to sound.Ionization smoke detectors are more sensitive to small particles of smoke, such as those produced by flaming fires1.However, they may also be more prone to false alarms from cooking or steam, and they require proper disposal of the radioactive source2.
References:
Smoke Detector Types: Which Type of Smoke Detector Is Best? - X-Sense
How Does Your Smoke Detector Work? - ThoughtCo
質問 # 118
A multistage centrifugal fire pump is defined as
- A. a pump installed on more than one floor or one building.
- B. being able to operate with a diesel, steam or electric driver.
- C. requiring more than one input location connection.
- D. having two or more impellers on one shaft as a single unit.
正解：D
解説：
Explanation
Fire pump
Explore
A multistage centrifugal fire pump is defined as having two or more impellers on one shaft as a single unit. A multistage centrifugal pump is a type of centrifugal pump that uses multiple impellers to increase the pressure and flow of water.Each impeller acts like a single-stage pump within a chain of pumps, and the water passes through each impeller in series, gaining pressure and velocity at each stage1.A multistage centrifugal fire pump is used to provide high-pressure water for fire protection systems, especially in high-rise buildings or large industrial facilities2.A multistage centrifugal fire pump can be driven by an electric motor, a diesel engine, or a steam turbine3.References:
Our Guide to Multistage Centrifugal Pumps | C&B Equipment
Fire Pump Types | NFPA
NFPA 20: Changes to the fire pump standard - Consulting
質問 # 119
Cast iron, cement-lined underground piping is estimated to have a Hazen-Williams C value of:
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
解説：
DIPRA and its predecessor, CIPRA, have long advocated a Hazen-Williams value of 140 for use with cement-lined Cast and Ductile Iron Pipe. This recommendation of a value for design purposes is sound. Over the years, DIPRA has conducted flow tests on cement-lined Cast and Ductile Iron Pipes in operational pipelines X new pipelines as well as those that have been in service for extended periods of time. These field tests have shown a C value of 140 to be realistic, and one that is maintained over time X even when transporting aggressive water. For additional information on this and related topics, request the following DIPRA brochures: Cement-Mortar Linings for Ductile Iron Pipe and §Hydraulic Analysis of Ductile Iron Pipe.
質問 # 120
When should fire fighters handle a potentially explosive device?
- A. Only when the timer is visible and the bomb squad clearly will not arrive in time
- B. Only when the building cannot be evacuated easily
- C. At no time
- D. When doing so will eliminate a threat to life
正解：A
質問 # 121
The five electric sources for emergency power supplies that NFPA 70 recognize are storage batteries, generator set, uninterruptable power supplies, a separate service, and
- A. electrical transformer
- B. unit equipment
- C. motor starters
- D. transfer equipment
正解：B
質問 # 122
Under what circumstances is it sufficient to rely on odor to detect a chemical agent?
- A. Only when the agent is known to be larger than 2 microns
- B. For known, familiar substances
- C. Under no circumstances
- D. For odorized gases, such as natural gas
正解：C
質問 # 123
Which of the following is an unstable agent that can be easily broken down by physical or mechanical forces?
- A. Foam
- B. Dry powder
- C. Dry chemical
- D. Carbon dioxide
正解：A
質問 # 124
Fixed temperature heat detectors operate on all of the following principles EXCEPT:
- A. rate compensating
- B. bimetallic
- C. continuous line
- D. fusible-element
正解：A
解説：
http://finalprojectfyp.blogspot.com/2014/01/unit-4-heat-detectors.html
質問 # 125
In order to design the appropriate exit system for an industrial occupancy, the life safety hazard classification per the NFPA Life Safety Code establishes three basic classifications.
Occupancies involving low- and ordinary-hazard manufacturing operations occurring in any type of building and normally having a higher density of employees than the other classfications are classified as:
- A. basic purpose
- B. common purpose
- C. general purpose
- D. ordinary purpose
正解：D
質問 # 126
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