Spalling - Study guides, Class notes & Summaries

Fire effects include what? - ANSWER Demarcations, surface effects, victim injuries Chipping or pitting of concrete or masonry surfaces is called what? - ANSWER Spalling What is a clean burn? - ANSWER Distinct or visual fire effect generally apparent on noncombustible surfaces after the combustible layer burns away. What makes the deepest burn marks on floors? - ANSWER solids What variables influence burn patterns? - ANSWER Ventilation, Physical configuration of the room, available fu...

Ch 16 IFSTA Exam | Questions and Correct Answers | Latest Update 2024/2025 How does heat affect masonry? Select one: a. Bricks may experience spalling when they are heated. b. Bricks will crumble after minimal exposure to heat and flame. c. Stones and concrete will crumble after exposure to direct flame. d. Stones and concrete may experience spalling when they are heated. - Answer -Stones and concrete may experience spalling when they are heated. When establishing collapse zones,: Se...

FLETC Written Exam 4 With Verified Answers Latest Updated 2024/2025 Graded A+. High Explosive - ANSWER Explosive which normally requires a blasting cap for initiation and once initiated produces a supersonic detonation with a shattering or brisant effect Detonate without confinement, doesn't need container Low Explosive - ANSWER Explosive, which when unconfined, responds to initiation by deflagration or burning and produces a pushing effect Transitions from deflagration to detonation when ...

Is NFPA 921 a guide or a standard? : It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? : Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? : Analyze the data What step of the scientific method is deductive reasoning? : Test the hypothesis What are the four parts of the fire tetrahedron? 2 | P a g e : Fuel (re...

CH 16 IFSTA EXAM REVIEW QUESTIONS AND ANSWERS, VERIFIED. Cast iron may crack or shatter when it is: Select one: a. used as a decorative structural element. b. heated indirectly. c. in contact with direct flames. d. rapidly cooled with water. - -rapidly cooled with water. How can HVAC systems affect tactical ventilation? Select one: a. Cool the air in the fire room to weaken the fire's intensity b. Help extinguish the fire by changing the pressure in the structure c. Provide fresh ai...

National Prep exam 2 Home Inspector Course study material 2024 1. The purpose of a home inspection is to provide: (a) An estimation of the costs of improving their property (b) Provide a list of the property's patent and latent problems and concerns (c) Provide information regarding the property conditions at the time of the inspection (d) Provide conclusions about all of the conditions of the property at the time of the inspection - CORRECT ANSWER-C, Provide information regarding th...

Is NFPA 921 a guide or a standard? : It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? : Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? : Analyze the data What step of the scientific method is deductive reasoning? : Test the hypothesis What are the four parts of the fire tetrahedron? 2 | P a g e : Fuel (re...

AHIT Home Inspection Exam Questions and Answers The purpose of gravel on a built-up tar-and-gravel roof is __________. A. to prevent delamination of the plys B. to protect the membrane from ultraviolet rays C. to provide ballast to help hold down the roof membrane D. all of these reasons -Correct Answer-D. all of these reasons A roof that has a problem with ponding generally still has water on it at least ____ hours after it has rained. A. 12 B. 2 C. 24 D. 48 -Correct Answer-D. 48 Th...

The bottom blowdown on a boiler ___. - Answer- removes sludge and sediment from the mud drum Boiler tubes are sized using the ___. - Answer- outside diameter A boiler fusible plug is brass or bronze with a core of ___. - Answer- tin Spalling in a boiler refers to ___. - Answer- hairline cracks in the refractory Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. - Answer- 34.5 A siphon installed between the boiler and the press...

Define the term Spalling - Chipping or Pitting of concrete or masonry surfaces Identify the three factors that cause steel to fall - - The mass of the steel components - The loads placed upon them - The methods used to connect the steel pieces Identify the five-step process used by dispatch for an emergency incident - 1. Call Receipt 2. Location Validation 3. Classification and Prioritization 4. Unit selection 5. Dispatch Explain the purpose of SOP's - To provide specific infor...