Book 3 Chapter 9: Fire Sfety & Site Hazards Flashcards
Of the following materials, which one would be involved in a Class B fire?
A) Wood
B) Paper
C) Sodium
D) Gasoline
D) Gasoline
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
A) Water
A fire involving a burning liquid is a Class:
A) A
B) B
C) C
D) D
B) B
A fire in live electrical equipment is a Class:
A) A
B) B
C) C
D) D
C) C
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
B) Carbon dioxide extinguishers
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
B) Class A and Class B fires
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
A) 1,3
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
A) National Building Code
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
C) An electrical panel fire
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
E) Smothering the burning liquid
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
E) All of these are correct
Burning metals may be extinguished using:
A) AFFF extinguishers
B) Dry chemical extinguishers
C) Carbon dioxide extinguishers
D) Dry powder extinguishers
E) Foam extinguishers
D) Dry powder extinguishers
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
A) National Fire Protection Association
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
E) City or Municipality By-laws
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
E) Jockey pump
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
E) In septic tanks and low lying areas
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
A) Pressure
Water is the best extinguisher for a/an:
A) Metal burning fire
B) Gas fire
C) Oil fire
D) Electrical fire
E) Wood fire
E) Wood fire
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
B) Oil on the surface of a flare pit
Which of the following materials would be classified as a Class B fire?
A) Paper
B) Sodium
C) Rubber
D) Gasoline
E) Wood
D) Gasoline
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
D) Hot work permit
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
C) Lethal
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
A) 3 meters
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
C) Identify potential hazards
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
C) Protection of persons and property
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
A) De-energized as quickly as possible
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
D) Cooling the combustible material
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
C) Class ABC fires
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
E) Inhibiting the chain reaction of the fire
The foam fire extinguisher is especially suitable for small Class ________ fires.
A) BC
B) C
C) A and B
D) A
E) B
C) A and B
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
B) Leaves no residue
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
B) Should not be performed
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
E) Metals
