Book 3 Chapter 9: Fire Sfety & Site Hazards

Question 1

Of the following materials, which one would be involved in a Class B fire?
A) Wood
B) Paper
C) Sodium
D) Gasoline

Answer 1

D) Gasoline

Question 2

Which of the following materials would be the most effective to extinguish a Class A fire?
A) Water
B) Sand
C) Carbon dioxide
D) Dry powder

Answer 2

A) Water

Question 3

A fire involving a burning liquid is a Class:
A) A
B) B
C) C
D) D

Answer 3

B) B

Question 4

A fire in live electrical equipment is a Class:
A) A
B) B
C) C
D) D

Answer 4

C) C

Question 5

The most effective type of fire extinguisher to use on an electrical fire would be:
A) Dry chemical extinguisher
B) Carbon dioxide extinguisher
C) AFFF extinguishers
D) Foam extinguishers

Answer 5

B) Carbon dioxide extinguishers

Question 6

Foam extinguishers are recommended for:
A) Class C and Class D fires
B) Class A and Class B fires
C) Class C and Class B fires
D) Class D fires
E) Class A and Class C fires

Answer 6

B) Class A and Class B fires

Question 7

Which of the following extinguishers would ordinarily be used to combat a class C fire?
1. Carbon dioxide
2. Foam
3. Dry chemical
4. Water

A) 1,3
B) 1,2
C) 2,3
D) 1,4
E) 3,4

Answer 7

A) 1,3

Question 8

In general, Cities and Municipalities have adopted which code for minimum fire safety?
A National Building Code
B) Insurance Underwriters Code
C) International Fire Code
D) Standardized Building Inspection Code
E) National Postal Code

Answer 8

A) National Building Code

Question 9

Which of the following constitutes a class “C” fire?
A) A fire containing liquid petroleum gases
B) A coal bunker burning
C) An electrical panel fire
D) A lumber pile on fire
E) A fuel tank burning

Answer 9

C) An electrical panel fire

Question 10

A class “B” fire is best extinguished by:
A) Lowering the temperature of the burning liquid
B) Wetting the burning paper or wood
C) Lowering the temperature of the burning wood or paper
D) Creating a chain reaction between the molecules of the burning material
E) Smothering the burning liquid

Answer 10

E) Smothering the burning liquid

Question 11

The National Building Code outlines the minimum fire safety regulations for:
A) Ventilating systems
B) Alarm systems
C) Firefighting systems
D) Fire exits
E) All of these are correct

Answer 11

E) All of these are correct

Question 12

Burning metals may be extinguished using:
A) AFFF extinguishers
B) Dry chemical extinguishers
C) Carbon dioxide extinguishers
D) Dry powder extinguishers
E) Foam extinguishers

Answer 12

D) Dry powder extinguishers

Question 13

Fire pumps and fire water systems are specified by the NFPA standards. NFPA stands for:
A) National Fire Protection Association
B) National Fire Prevention Association
C) Non Fire Producing Analysis
D) National Fire Pump Association
E) Natural Fire Products of America

Answer 13

A) National Fire Protection Association

Question 14

Distribution of fire fighting equipment is specified by National Building code or:
A) Building occupants
B) Building owners
C) Building construction company
D) Fire equipment sales representative
E) City or Municipality By-laws

Answer 14

E) City or Municipality By-laws

Question 15

The low capacity unit capable of maintaining the fire water system pressure above that which enables the main fire pump to operate is called a:
A) Submersible pump
B) Portable pump
C) Sump pump
D) Lift pump
E) Jockey pump

Answer 15

E) Jockey pump

Question 16

When there is a possibility of H2S on the worksite you can usually find it:
A) Only in sour gas and crude oil
B) By relying on your sense of smell
C) In the box of a pickup truck
D) In new vessels
E) In septic tanks and low lying areas

Answer 16

E) In septic tanks and low lying areas

Question 17

Fire Water pumps will start automatically when there is a drop in flow or:
A) Pressure
B) Density
C) Electrical output
D) Water level
E) Temperature

Answer 17

A) Pressure

Question 18

Water is the best extinguisher for a/an:
A) Metal burning fire
B) Gas fire
C) Oil fire
D) Electrical fire
E) Wood fire

Answer 18

E) Wood fire

Question 19

Which of the following is a class “B” fire?
A) A wood pile
B) Oil on the surface of a flare pit
C) An electrical panel
D) A coal bunker
E) Burning metal

Answer 19

B) Oil on the surface of a flare pit

Question 20

Which of the following materials would be classified as a Class B fire?
A) Paper
B) Sodium
C) Rubber
D) Gasoline
E) Wood

Answer 20

D) Gasoline

Question 21

Companies often employ a number of different types or work permits which reflect the nature of the work that needs to be performed. Another example of a common work permit is a:
A) Log Book permit
B) Warehouse
C) A journey permit
D) Hot work permit

Answer 21

D) Hot work permit

Question 22

Arc Flash is a type of short circuit and it can be (cause) ____________.
A) In low temperatures in wires
B) Found in Motor Control center (MCC)
C) Lethal
D) In high resistance in wires

Answer 22

C) Lethal

Question 23

At what height does the Occupational Health and Safety (OH&S) state that fall protection has to be used?
A) 3 meters
B) 4 meters
C) 5 meters
D) 2 meters

Answer 23

A) 3 meters

Question 24

What is one of the four basic steps in a Job safety analysis (JSA)?
A) Locate JSA document
B) Inform supervisors of the hazard
C) Identify potential hazards
D) Locate the hazard

Answer 24

C) Identify potential hazards

Question 25

Fire regulations are designed for the: A) Use of local Fire Departments B) Use of insurance companies C) Protection of persons and property D) Prevention of excessive high risk loss E) Benefit of the Fire Inspector

Answer 25

C) Protection of persons and property

Question 26

The equipment involved in an electrical fire should be: A) De-energized as quickly as possible B) Allowed to burn out C) Attached with a Class “A” fire extinguisher D) Attached with a Class “B” fire extinguisher E) Attached with a Class “D” fire extinguisher

Answer 26

A) De-energized as quickly as possible

Question 27

Water extinguishes a fire by: A) Raising the temperature of the water B) Insulating the combustible material C) Inhibiting the chain reaction D) Cooling the combustible material E) Converting into steam

Answer 27

D) Cooling the combustible material

Question 28

Multipurpose dry chemicals can also be used on which of the following fires: A) Class C fires B) Class D fires C) Class ABC fires D) Class A fires E) Class B fires

Answer 28

C) Class ABC fires

Question 29

Dry chemical fire extinguishers extinguish the fire by: A) Displacing the oxygen B) Excluding oxygen from the fire C) Lowering the temperature of the fire D) Cooling the combustible material E) Inhibiting the chain reaction of the fire

Answer 29

E) Inhibiting the chain reaction of the fire

Question 30

The foam fire extinguisher is especially suitable for small Class ________ fires. A) BC B) C C) A and B D) A E) B

Answer 30

C) A and B

Question 31

The principle advantage of carbon dioxide as a fire extinguishing agent is that it: A) Does not conduct electricity B) Leaves no residue C) Does not react with most materials D) Can penetrate to all parts of the fire E) Is non-combustible

Answer 31

B) Leaves no residue

Question 32

Work on live electrical equipment: A) Requires a safe work permit B) Should not be performed C) Requires the approval of the safety supervisor D) Must be performed by an authorized employee

Answer 32

B) Should not be performed

Question 33

A class “D” type of fire involves combustion in: A) Inert gases B) Ordinary materials C) Live electrical equipment D) Flammable or combustible liquids E) Metals

Answer 33

E) Metals