Firefighter 1 Practice Test 2024-2025. Questions & Correct Verified Answers. Graded A, Exams of Safety and Fire Engineering

Download Firefighter 1 Practice Test 2024-2025. Questions & Correct Verified Answers. Graded A and more Exams Safety and Fire Engineering in PDF only on Docsity!

Firefighter 1 Practice Test 2024-2025.

Questions & Correct Verified Answers.

Graded A

1. Each firefighter accident or injury must be thoroughly investigated for two reasons. One is to determine why it happened and the other is to: A. determine its classification under the S.I.M.P.L.E. system. B. preclude any civil liability situation should it happen again. C. determine whether or not a de-facto feasance occurred. D. determine how it can be avoided in the future. - ANSD
2. Which is one of the keys to improving a firefighter's physical health? A. Gender/ethnic background B. Fire Service traditions C. Health screening D. Union involvement - ANSC

10. What should be on the mind of a firefighter who answers the telephone in a fire department facility? A. That the firefighter is a representative of the fire department B. To be brief, so that the incoming phone line will be open to receive emergency calls C. Obtain all information; then hang up first to avoid tying up the phone line. D. Leaving the person on hold for as long as it takes to relay and verify information received - ANSA
11. Combustion is the result of a reaction. A. mechanical B. chemical C. dielectrical D. replenishment - ANSB
12. What are toxic products of combustion? A. convection, conduction, radiation, and direct contact B. fire gases, flame, chemical chain reaction C. water vapor and soot D. carbon monoxide and hydrogen cyanide. - ANSD

102. How are flammability limits and explosive limits related? A. Flammability limits are used to calculate explosive limits. B. Explosive limits are used to calculate flammability limits. C. The two terms are neither mathematically nor conceptuality related. D. They are interchangeable terms meaning the same thing. - ANSD
103. If a gas has a vapor density greater than one, when it escapes from its container: A. it will rise. B. it will float on water. C. its movement will be dependent on temperature. D. it will sink and collect at low points. - ANSD
104. Which is a mode of heat transfer'? A. Conduction B. Evaporation C. Latent heat D. Pyrolysis - ANSA
105. A class A fire is fueled by:

A. electricity. C. liquids. B. ordinary combustible materials. D. gases. - ANSB

106. The stages/phases of solid fuel fire development are: A. initial, growth, developed, decline. B. incipient/ignition, growth, fully developed, decay. C. origin, intermediate, growth, decline. D. spontaneous, incipient, growth, decay. - ANSB
107. The temperature at which a liquid fuel produces sufficient vapors to support combustion once the fuel is ignited is the: A. fire point. C. ignition point. B. flash point. D. vapor density. - ANSA

108. Vapors and gases with vapor densities less than 1 will tend to: A. rise up in the air. C. drop to the ground. B. dissipate as they mix. D. float as a cloud. - ANSA
109. It is important that a firefighter understand the four stages/phases of fire growth which are: A. ignition/incipient, pre-flashover, post-flashover, and decay. B. growth, flashover, post-flashover, and decay. C. ignition, growth, pre-flashover, and decay. D. ignition/incipient, growth, fully developed, and decay. - ANSD
110. The standardized term used to signal the immediate need to clear the radio and transmit critical information is. A. Emergency Traffic. C. Signal 2.

B. 10-99.

D. Critical Alert. - ANSA

110. A type of wood framing that has vertical channels going from floor to floor. allowing a fire to travel uninterrupted is a ____frame. A.platform B. open C. balloon D. box - ANSC
111. At ______°F, the length of a steel structural member will begin to elongate. A. 800 B. 1100 C. 1400 D. 1000. - ANSD
112. The most common type of building material in use today is: A. steel. B. wood. C. concrete. D. plastics - ANSB
113. For firefighters working in or around a structure, a lightweight truss presents what type of hazard? A. Minimal access hazard B. Collapse hazard C. Wall failure will cause the adjacent structure to fall D. Minimal electrical hazard - ANSB

114. What danger is suggested by the observation of smoke puffing in and out of a structure? A. Impending structural collapse B The presence of backdraft conditions C. Weak structural roofing members D. Untempered, unreinforced glazing in windows - ANSB
115. What does the observation of a steel beam bending under fire suggest? A. Nothing, this is normal and it will bend back when it cools. B. Imminent failure C. Imminent ignition D. Underway release of toxic ferrous oxalate - ANSB
116. While no exact temperature is associated with flashover, a range from approximately _____degrees Fahrenheit is widely accepted. A. 400-900 B. 900-1200 C. 1200-1500 D. 1500-1900 - ANSB

117. Which statement best describes Type I construction? A. Structural members are noncombustible and have little or no fire resistance. B. Structural members are comprised of massive wood columns and beams. C. Most of the entire structure is made of combustible products. D. Structural members are protected from fire's heat to prevent loss of integrity. - ANSD
118. The dangerous situation in which a hidden or smoldering fire reignites after departure of fire crews is called: A. backdraft. B. rollover. C. fire point. D. rekindle. - ANSD
119. Which method of gaining entry into a structure is the least destructive? A. Try before you pry B. Breaking a small window in a door and reaching in through the window to unlock the door

C. Removing the stop on a non-rabbeted door frame and prying the latch clear of the frame. D. Forcing an outward opening door with a Halligan tool - ANSA

12. What should call-takers do if a call comes in that is about issues not handled by the fire department? A. Try to direct the caller to the appropriate agency, even providing contact information, if available. B. Take the caller's information and advise them that this is a non- criminal offense for which there will be a small fine. C. Quickly and politely tell the caller this is not a fire department issue and hang up to free up the line. D. Transfer the call immediately to the recording for inappropriate calls.

• ANSA

120. Water normally extinguishes fire by: A. cooling. B. suffocating. C. disrupting the chemical reaction. D. removing the fuel. - ANSA
121. Water is the most common extinguishing agent because: A. the flow can be periodically interrupted without consequences.

B. it has the ability to reflect. C. it is expensive. D. of its cooling properties. - ANSD

122. All portable extinguishers are classified according to their: A.size B. freeze potential. C. intended use. D. conductivity. - ANSC
123. Fires involving flammable liquids and gases where applied foam and/or dry chemical agents will be needed are fires. A.Class A B. Class B C. Class C D. Class D - ANSB
124. A fire extinguisher bearing the symbols shown below would be suitable for extinguishing ______fires. A. Class A, B, and C B. Class B, C, and D C. Class A, B, and K D. Class A, B, C, and D - ANSA
125. It is dangerous to apply a stream of water to energized electrical equipment because.

A. burning electricity intensifies when struck by water. B. water can conduct electricity back to the extinguisher. C. electricity extracts the oxygen from the water and uses it as more fuel. D. cyanide gas is evolved when water hits electricity. - ANSB

126. The greatest concern associated with selecting too small of an extinguisher is that: A. the contents will expel too quickly. B. delicate equipment could be damaged by over application. C. the operator has to get closer to the fire. D. excessive amounts of dry chemical result in poor visibility. - ANSC 127, The use of halon agents is strictly controlled because it: A. is mutagenic. B. is carcinogenic. C. pollutes the water. D. damages the ozone layer. - ANSD
127. Aqueous Film Forming Foam (AFFF) extinguishing agents are applicable to fires. A. Class C

C. both Class A and B B. Class D D. Class A, B, and C - ANSC

129. What extinguisher may be required to extinguish a restaurant kitchen fire involving the fryers? A. Dry chemical B. Type K C. Water D. Carbon Dioxide - ANSB
130. First arriving companies broadcast______reports to incoming units. A. arrival B. urgent C. status D. select - ANSA
131. Class C fires involve: A. combustible materials. B. flammable liquids. C. energized electrical equipment.

D. metals. - ANSC

131. What is one limitation of inverters? A. They can only operate for a few minutes. B. They have limited power and mobility. C. They jam any nearby radio traffic. D. Their voltage output is erratic. - ANSB
132. Generators used for emergency services are usually: A. portable and wheeled. B. 110 or 220 DC current C. 12 or 24-volt AC current. D. portable or vehicle mounted. - ANSD
133. Utility rope should be used for: A. rappelling. B. belaying. D. life safety.

C. hoisting tools. - ANSC

134. The kern of a kernmantle rope is the: A. core. B. sheath. C. end. D. weave. - ANSA
135. From which end of the rope can a clove hitch accept tension without coming untied? A. From either end C. The running end only B. The working end only D. Before the loop - ANSA
136. The knot used to tie two ropes of unequal diameter together is the: A. clove hitch. B. square knot. C. becket/sheet bend. D. half hitch. - ANSC

137. The clove hitch is commonly used in the fire service for: A. stringing lines together. C. hoisting fire equipment. B. forming the rescue knot. D. splicing - ANSC
138. The end of the rope that is used to be a knot is called the: A. running end. B. standing part. C. safety end. D. working end. - ANSD
139. The drawing below depicts one of the three elements of a knot or hitch. It is known as a: A. bight. C. round turn. B. loop. D. becket/sheet bend. - ANSA

14. The only time the_____callout is used is in a situation where there is immediate danger to the lives of firefighters. A. attention B. emergency traffic C. urgent traffic D. mayday - ANSD
15. Which statement regarding ropes and knots is correct? A. Use a bowline knot to form a secure loop under tension. B. Dry ropes in a top-loading dryer. C. The rescue knot can only be used on an unconscious patient. D. Ropes can be dried in direct sunlight. - ANSA
16. Which is true regarding hoisting tools and equipment? A. Use hand over hand method to control rope when hoisting. B. Fire extinguishers and self-contained breathing apparatus should not be hoisted. C. Use with webbing over sharp edges to prevent physical damage to rope. D. When working with heights, use additional ropes for added safety. - ANSB

142. The is tied as illustrated below: A. bowline C. clove hitch B. becket/sheet bend D. figure-eight - ANSD
143. Fiberglass and Kevlar self-contained breathing apparatus cylinders must be hydrostatically tested every: A.year. B. three years. C. six years. D. ten years. - ANSB
144. What is one of the parts to the maintenance formula for ropes? A. Store B. Shore C. CoiI D. Curl - ANSA
145. Defective self-contained breathing apparatus (SCBA) cylinder units should be: A. repaired by the person who discovers the defect.

B. removed from service. C. put on reserve fire apparatus. D. filled to 80 percent capacity. - ANSB

146. Proper care for a tool with a fiberglass handle is: A. lightly sand and follow with boiled linseed oil. B. pain the handle regularly. C. varnish the handle at least annually. D. wash the handle with mild detergent and rinse. - ANSD
147. Manufacturers should provide users of personal protective equipment with what information? A. Cleaning instructions C. Shelf life duration B. MSDS information D. Liability protection - ANSA
148. When cleaning and caring for personal protective equipment (PPE), the firefighter should:

A. clean the outer shell at least once a year. B. hang PPE to dry in direct sunlight. C. wash PPE in station washer and dryers. D. decontaminate after interior firefighting and medical calls. - ANSD

149. Once rope has been washed, it should be: A. dried out of direct sunlight. C. dried with hot, moist air. B. dried in direct sunlight. D. bagged while still wet. - ANSA
150. A trunked digital radio system allows: A. only one agency on the system. B. different agencies on different systems. C. different agencies on the same system.

D. fewer users to communicate. - ANSC

150. What is one item that would be included in a life safety rope's record? A. Each time it was used C. Who purchased the rope B. Cost D. The rope's life expectancy - ANSA
151. Radio signals are either: A. simple or duplex. C. simple or complex. B. analog or digital. D. private or public. - ANSB
152. Which is considered to be a hazardous atmosphere encountered during fires?

A. Oxygen @ 20.5 percent C. Smoke B. Water vapor D. Nitrogen oxide - ANSC

18. Which statement about protective breathing apparatus is correct? A. Beards or facial hair is allowable as long as they are neat and trim. B. Beards or facial hair cannot be in the seal area. C. Eyeglasses with side frames passing through the seal area of the self- contained breathing apparatus mask are allowable. D. Firefighters do not need to maintain a tight seal as the mask maintains positive pressure. - ANSB
19. As the oxygen supply in any given area falls below percent, unconsciousness can occur. A. 21 B. 17 C. 12 D. 9 - ANSD
20. A firefighter is susceptible to poisoning or irritation from carbon monoxide through:

A. ingestion. B. absorption. C. inhalation. D. injection. - ANSC

21. What are the two general types of self-contained breathing apparatus? A. Demand and pressure-demand B. Open-circuit and closed-circuit C. Occupational Safety and Health Administration approved National Institute for Occupational Safety and Health approved D. Compressed air and liquid oxygen - ANSB
22. Inhaled toxic gases can directly cause: A. impaired lung function. B. muscle cramps in the lower extremities. C. blurred vision, leading to blindness. D. amnesia. - ANSA
23. Atmospheres are classified as oxygen deficient when they fall below percent oxygen.

A. 25 B. 19.5 C. 16 D. 13.5 - ANSB

24. Toxic substances found in smoke include: A. hydrogen cyanide. C. oxygen. B. water vapor. D. sulphuric acid. - ANSA
25. One-self-contained breathing apparatus (SCBA) limitation that the firefighter should be aware of is: A. Occupational Safety and Health Administration prohibits spectacles in SCBA masks. B. SCBA and personal protective equipment add approximately 60-70 pounds of weight to the firefighter. C. the degree of training or experience users have with SCBA affects their level of self-confidence. D. low air alarms frequent malfunction. - ANSC
26. Which statement regarding the two self-contained breathing apparatus (SCBA) types in fire service use is correct?

A. In an open-circuit SCBA, inhaled air is vented to the outside atmosphere. B. In an closed-circuit SCBA, inhaled air stays in the system for filtering, cleaning, and circulation. C. The closed-circuit type is commonly used for structural firefighting. D. SCBAs for fire service use are designed and built in accordance with NFPA Standards. - ANSD 27 Some self-contained breathing apparatus cylinders for fire service use are made out of: A. aluminum. B. stainless steel. C. titanium. D. plastic composite. - ANSA

28. Carbon composite cylinders must be hydrostatically tested every___ years. A. 6-8 B. 3-5 C. 1-2 D. 12-15 - ANSB
29. What should a firefighter do if their self-contained breathing apparatus becomes damaged or malfunctions? A. Use the protective hood as a filter.

B. Deactivate the PASS device. C. Remain calm and stay with their team. D. Run for the nearest exit as quickly as possible. - ANSC

30. The purpose of a PASS device is to: A. sound an alarm if certain fire or asphyxiate gases are detected. B. warn firefighters when their air supply is low. C. sound an alarm if a firefighter is motionless for a set period of time. D. keep track of elapsed time in deteriorating conditions. - ANSC
31. Which is true regarding self-contained breathing apparatus (SCBA)? A. Tighten the top straps of the SCBA facepiece first. B. All SCBA facepieces must be fit-tested. C. Hoods should be worn under the SCBA straps and facepiece. D. Positive pressure should not be tested by breaking the regulator seal.

• ANSB

32. Firefighters must be trained to exit the immediately dangerous to life and health (IDLH) environment: