FREE AND STUDY GAMES ABOUT FF 1 CHAPTER 5 EXAM

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FREE AND STUDY GAMES ABOUT FF 1 CHAPTER 5 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -146 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Ambient Conditions

Answer:

Common Prevailing and uncontrolled atmospheric weather conditions, (refer to outside the structure)

Question 2: 162. describe what the fire tetrahedron represents?

• A transfer of sound energy
• The process of autoignition
• An uninhibited chemical chain reaction
• The relationship between fuel, oxygen, heat

Answer:

The 4 components necessary for the existence of fire; Chemical chain reaction by Reducing agent , oxidizing agent, and heat

Question 3: 174. What method of heat transfer can become the dominant mode as the fire grows in size?

• Potential
• Radiation
• Conduction
• Convection

Answer:

• Radiation

Question 4: Flammable (explosive) Range

Answer:

The range between the upper flammable limit and the lower flammable limit in which a substance can be ignited Question 5: 151. When a substance changes from one type of matter to another, it has had a:

• chemical shift.
• physical change.
• chemical reaction.
• physical alteration.

Answer:

• chemical reaction.

Question 6: 12. What are the three physical states of fuel? (225)

Answer:

Liquid, gas, solid

Question 7: Vapor Density

Answer:

Weight of a given volume of pure vapor compared to the weight of an equal volume of dry air at the same temperature and pressure Question 8: 203. What stage of fire development occurs when all the combustible materials in a compartment are burning?

• Incipient
• Growth
• Fully Developed
• Decay

Answer:

• Fully Developed

Question 9: Polar Solvents

Answer:

Flammable liquids that have an attraction for water(ex, alcohol, ketone,lacquer

Question 10: Which of the following BEST describes kinetic energy transfer

• It does not move at all.
• It moves from one substance to another, no matter what the temperature.
• It moves from low-temperature to high-temperature substances.
• It moves from hi

Answer:

Heat/thermal energy

Question 11: 5. Which of the following is not actively part of the combustion reaction represented by the fire tetrahedron? (212)

• Fuel
• Heat
• Oxygen
• Passive agents

Answer:

• Passive agents

Question 12: Upper Layer

Answer:

Buoyant layer of hot gases and smoke produced by a fire in a compartment

Question 13: Heat Flux

Answer:

The measure of the heat rate transferred to a surface.Question 14: 154. The potential chemical energy of fuel in fire behavior is converted to:

• sound energy.
• thermal energy.
• electrical energy.
• mechanical energy.

Answer:

Thermal energy

Question 15: 155. What type of reaction absorbs energy as it occurs?

• Kinetic
• Potential