Deck 19: Fire Hazards and Life Safety

Question 1

No fire extinguisher may be located more than 100 feet from any point in the protected area.

Answer 1

True

Question 2

Which of the following are OSHA requirements for fire brigades?

A)Organizational statement
B)Physical capability
C)Pre-fire planning
D)All of the above

Answer 2

D

Question 3

Lower flammable limit refers to the percentage of vapor in the air above which a fire cannot occur because of insufficient fuel.

Answer 3

True

Question 4

Class D fires involve combustible metals.

Question 5

Why can't water be used to put out flammable liquid fires?

A)Water converts to steam and adds to the hazards
B)Water's flashpoint is too low
C)Most flammable liquids are lighter than water
D)The oxygen in water feeds the fire

Question 6

Class A fires involve flammable liquids and gases.

Question 7

OSHA requires a fire extinguisher rated no less than 2A for every 10,000 square feet of building space.

Question 8

The elements required to start and sustain a fire in the flaming mode are heat, an oxidizing agent, a reducing agent, and a chemical chain reaction.

Question 9

Upper flammable limit refers to the percentage of vapor in the air above which there is insufficient air for a fire.

Question 10

Common uses of flammable and combustible substances in the workplace include which of the following?

A)Internal combustion engines, Japanning, and dry ovens
B)Cleaning solvents and oil burners
C)Both A and B
D)Neither A nor B

Question 11

The elements required to sustain a fire in the smoldering mode are oxygen, fuel, heat, and reducing agent.

Question 12

Fire is an exothermic chemical reaction.

Question 13

Which of the following is NOT an OSHA approved option for manual firefighting?

A)Fire brigades
B)Anyone present who can assist
C)All employees
D)Designated employees

Question 14

A red, blue, yellow, and white diamond is used to identify hazards present when a substance burns.

Question 15

Heat always travels from a lower temperature to a higher one.

Question 16

Most fatalities from fire result from:

A)Suffocation due to insufficient oxygen
B)Breathing toxic gases and smoke
C)Both A and B
D)Neither A nor B

Question 17

Hot work is any work that involves welding, cutting, chipping, or any other process that creates sparks.

Question 18

Fire walls are defined by their ability to slow the spread of fire.

Question 19

By-products of combustion are ash and steam.

Question 20

A fire hazard is any condition that favors fire development or growth.

Question 21

Wood, paper, and trash fires are rated as what?

A)Unrated fires
B)Class A fires
C)Class C fires
D)None of the above

Question 22

The weight of a flammable vapor compared to air is known as:

A)Vapor ratio
B)Vapor density
C)Density ratio
D)PEL

Question 23

Which of the following would not be considered hot work?

A)Dyeing
B)Fastening
C)Both A and B
D)Neither A nor B

Question 24

A disturbing fact about chemical burns is that they:

A)Cannot be prevented
B)Often occur in spite of PPE
C)Defy many known hospital treatments
D)None of the above

Question 25

Any portion of an exit route that leads to an exit is known as what?

A)Exit discharge
B)Exit path
C)Exit access
D)None of the above