Book 4 Flashcards
if an area contains hazardous concentrations of flammable gases or vapours under normal operating conditions, electrical equipment must be designed for use in the area. This is designated as:
Select one:
a.
Class 1
b.
Class 2
c.
Class 3
d.
Class 4
Class 1
Daily fire suppression system checks should include:
Select one:
a.
Visual inspection of fire hoses for readiness
b.
Hydrostatic testing of sprinkler lines
c.
Fire pump run test
d.
Water supply valves to all systems are open and locked open if necessary
The correct answer is: Visual inspection of fire hoses for readiness
Which of the following situations will support combustion?
a.
A closed pressure vessel that contains nitrogen gas and liquid hydrocarbon above their ignition temperature
b.
A mixture of air and methane in a flare header
c.
A closed pressure vessel that contains propane at a temperature above its flash point
d.
An open container of hydrocarbon at a temperature below its flashpoint
A mixture of air and methane in a flare header
A major disadvantage of a floor standing pump extinguisher over a backpack extinguisher is:
Select one:
a.
The floor unit has far less capacity
b.
The backpack unit has twice the range
c.
Pumping must stop to relocate the floor standing pump
d.
The floor unit pump is only single acting
Pumping must stop to relocate the floor standing pump
An area in which easily ignited material fibers are handled or manufactured has an Electrical Designation of:
Select one:
a.
Class 1
b.
Class 2
c.
Class 3
d.
Class 4
Class 3
The four basic components of WHMIS are:
Select one:
a.
Employee training, Governing legislation, Confidentiality of information, Material Safety Data Sheets
b.
Governing legislation, Labelling, Material safety data sheets, Employee training
c.
Governing legislation, Hazard identification and product classification, Labelling, Material Safety Data Sheets
d.
Employee training, Labelling, Material Safety Data Sheets, Hazard identification and product classification
Employee training, Labelling, Material Safety Data Sheets, Hazard identification and product classification
Fire pump testing should be completed:
Select one:
a.
Annually
b.
Monthly
c.
Weekly
d.
Annually, Monthly and weekly
Annually, Monthly and weekly
For annual performance testing, fire pumps should be compared to manufacturers’ specification while running under ______ flow conditions and _________ rated capacity.
a.
No, 100%
b.
Process, 50%
c.
No, 150%
d.
Full, 150%
No, 150%
To prevent the formation of explosive mixtures, oxygen and acetylene cylinders should be:
Select one:
a.
Equipped with different thread connectors
b.
Stored outside
c.
Stored in separate areas
d.
Regularly hydro-tested
Stored in separate areas
The type of fire extinguisher usually used on a live electrical fire is a/an ________ extinguisher:
Select one:
a.
Pressurized water
b.
Dry chemical
c.
AFFF
d.
Carbon dioxide
Carbon dioxide
During an injury related investigation by an OH&S officer, work being done at the work site may be suspended:
Select one:
a.
Indefinitely
b.
Until the officer arrives at the scene
c.
For a maximum of 48 hours
d.
Until any serious safety hazards are corrected
Until any serious safety hazards are corrected
It is the employers responsibility to ____________ personal protective equipment .
Select one:
a.
Supply, ensure usage, and maintain
b.
Issue, care for, and maintain
c.
Only supply
d.
Supply and ensure usage of
Supply and ensure usage of
The valve cap on a gas cylinder:
Select one:
a.
Will prevent gas escaping if the cylinder valve leaks.
b.
Must be in place when the tare weight is being measured.
c.
Will prevent the cylinder valve from breaking off if the cylinder falls over.
d.
Protects the cylinder valve from damage.
Protects the cylinder valve from damage.
What is the best way to prevent a fire?
a.
Eliminate static electricity
b.
Provide employees with fire fighter training
c.
Install fire proofing wherever possible
d.
Prevent the formation of a combustible fuel and air mixture
Prevent the formation of a combustible fuel and air mixture
A reducing agent or fuel could be:
Select one:
a.
Carbon monoxide
b.
A heavy metal oxide
c.
Hydrogen peroxide
d.
Concentrated Sulphuric acid
Carbon monoxide
The “flash point” of a flammable liquid is the temperature at which:
Select one:
a.
It may also be called the “flame point”
b.
The liquid will produce enough vapour to form a flammable mixture when mixed with air
c.
Spontaneous combustion will occur
d.
The liquid will burn
The liquid will produce enough vapour to form a flammable mixture when mixed with air
A Class “A” fire would involve:
Select one:
a.
Gasoline or oil
b.
Paint or grease
c.
Electrical equipment
d.
Wood or coal
Wood or coal
A safe work permit for cold work is intended for work:
Select one:
a.
Only in freezers and cold spaces
b.
For work that may cause a fire, but unlikely
c.
Only for outside work in winter months
d.
For work that will usually not cause a fire
For work that will usually not cause a fire
Which of the following applies to hearing protection?
a.
Is required when in noisy areas of power plants
b.
Refers to earmuffs only, not ear plugs
c.
Is legislated below 80 decibels
d.
Is required if a worker already has detectable hearing loss
Is required when in noisy areas of power plants
If hydrocarbon vapour is present in air, when will it support combustion?
a.
At any concentration
b.
When it is between the upper and lower explosive limits
c.
When it is exposed to a spark
d.
When it is below the lower explosive limit
When it is between the upper and lower explosive limits
How can Class B fires be prevented?
a.
Using proper kitchen safety when cooking with oils
b.
Storing wood and paper properly
c.
Performing regular preventive maintenance on electrical equipment
d.
Regularly inspecting and tightening the packing on leaking valve packing
Regularly inspecting and tightening the packing on leaking valve packing
The most common and easiest to maintain sprinkler system is the:
Select one:
A.
Preaction
B.
Dry Pipe
C.
Wet Pipe
D.
Deluge
Wet Pipe
The type of sprinkler system that requires a supplemental detection system (such as a smoke detector) to operate is the:
Select one:
a.
Deluge System
b.
Preaction
c.
Wet Pipe
d.
Dry Pipe
Preaction
Top guard rings are used on some gas cylinders instead of:
Select one:
a.
Vapour valves
b.
Pressure relief valves
c.
Valve caps
d.
Regulators
Valve caps
The receiver of a safety work permit:
Select one:
a.
Does not need to verify the information the Safe Work Permit issuer put on the permit.
b.
Relies solely on the issuer to create and maintain a safe work site
c.
Should work with the Safe Work Permit issuer to ensure a safe work site
d.
Does not need to hand in the safe work permit at the end of the shift
Should work with the Safe Work Permit issuer to ensure a safe work site
What is the main cost an employer must pay in the event of a workplace injury?
a.
Training costs
b.
Insurance costs
c.
Investigation costs
d.
Incident reporting
Insurance costs
By definition in this chapter, a “confined space” is any enclosed or partially enclosed space having:
Select one:
a.
Harmful gases, vapours, mists, or dusts
b.
Mechanical hazards and restricted ingress
c.
Limited room for tools and equipment
d.
Restricted access and egress and may become a life-threatening environment
Restricted access and egress and may become a life-threatening environment.
What type of fire should be put out with water?
Select one:
a.
Class “A”
b.
Class “B”
c.
Class “C”
d.
Class “A”, “B”, and “C”
Class “A”
Which of the following is a Class “B” fire?
Select one:
a.
A fire in a coal bunker
b.
A fire in a wood pile
c.
A turbine lube-oil fire
d.
A fire in an electrical panel
A turbine lube-oil fire
Asbestos is an old insulation material still found in many plants. Asbestos fibres cause health problems because:
Select one:
a.
The dust causes flu like diseases
b.
The fibres cause scarring for no reason
c.
The fibres do not cause the damage, but the dust sitting in the lungs causes a type of pneumonia.
d.
The fibres lodge in a workers lungs and stay because of hook like barbs on the fibre
The fibres lodge in a workers lungs and stay because of hook like barbs on the fibre
In order for hydrocarbons to burn, the:
Select one:
a.
Mixture must be lean
b.
Air/fuel mixture should be above the upper flammable limit
c.
Fuel/air mixture must be rich
d.
Fuel must be a vapour
Fuel must be a vapour
What are the four basic types of sprinkler systems?
a.
Automatic, semi-automatic, manual, dry pipe
b.
Deluge, pre-action, wet pipe, dry pipe
c.
Deluge, pre-action, automatic, combined
d.
Class I, Class II, Class III, Class IV
Deluge, pre-action, wet pipe, dry pipe
Aqueous film forming foam agents extinguish a fire by:
Select one:
a.
Breaking the chain reaction
b.
Cooling and smothering
c.
Sealing vapours, and cooling
d.
Sealing vapours, cooling, and removing oxygen
e.
Combining oxygen with the burning material
Feedback
Sealing vapours, cooling, and removing oxygen
Who is affected by the financial impacts caused by workplace injuries?
a.
Employees and employers
b.
Employers only
c.
Insurance companies only
d.
Employees only
Employees and employers
A Class “B” fire can be extinguished by:
Select one:
a.
Lowering the temperature of the burning wood or paper.
b.
Creating a chain reaction between the molecules of the burning material.
c.
Smothering the burning liquid.
d.
Lowering the temperature of the burning liquid.
Smothering the burning liquid.
Which is the workers responsibility?
Select one:
a.
Co-operating with others on workplace safety and health
b.
Clearly stated goals and objectives of the health and safety program
c.
Clearly defined roles and responsibilities for management, workers, contractors, and visitors at the plant site
d.
Issuing proper safety equipment to all workers
Co-operating with others on workplace safety and health
How are oxygen and acetylene cylinders stored?
a.
2 m apart
b.
6 m apart
c.
Together, if properly secured
d.
Together, in warehouses only
6 m apart
Fire sprinkler hydrostatic testing should be done _________:
Select one:
a.
not required on most sprinkler systems
b.
annually
c.
every 3-5 years
d.
monthly
every 3-5 years
Overheating of electrical equipment is:
Select one:
a.
Is one of the conditions that usually cause electrical fires in buildings
b.
Usually the result of inadequate wiring
c.
Often due to over sized fuses being installed
d.
The result of blocked cooling fin passages
Is one of the conditions that usually cause electrical fires in buildings
When isolating an electric motor driven pump, you should first:
Select one:
a.
Close the pump inlet valve
b.
Open the motor breaker
c.
Ensure the pump is drained
d.
Close the pump discharge valve
Open the motor breaker
During the rehabilitation of an injured worker, the supervisor should:
Select one:
a.
Have as little contact as possible with the worker.
b.
Not ask the worker for assistance in determining prevention methods.
c.
Let the worker know the investigators are finding fault.
d.
Assist the worker in seeking and obtaining support services.
Assist the worker in seeking and obtaining support services.
Confined spaces include the following, except for:
Select one:
a.
Stacks
b.
Boilers
c.
MCC room
d.
Deaerators
MCC room
Fire pump testing is described in the standard:
Select one:
a.
NFPA 13
b.
NFPA 25
c.
NFPA 20
d.
NFPA 14
NFPA 25
Fall protection equipment is required, in most jurisdictions, for workers working at heights over:
Select one:
a.
3 metres
b.
10 metres
c.
10 feet
d.
2.6 metres
3 metres
Fire pumps usually start automatically with a signal from:
Select one:
a.
Sprinkler head
b.
Fire main pressure
c.
Smoke / heat detector
d.
Water main pressure
Fire main pressure
A fire in which of the following constitutes a Class “C” fire:
Select one:
a.
Coal bunker
b.
Fuel tank
c.
Lumber pile
d.
Electrical panel
Electrical panel
Which of the following is true for emergency response plans?
a.
They are generic and can apply to all types of plants and facilities
b.
They are made to protect the plant assets and the environment
c.
They are made to protect the public, the environment, plant personnel, and equipment
d.
They do not consider coordination with municipal resources
They are made to protect the public, the environment, plant personnel, and equipment
Which is a function of the joint health and safety committee?
Select one:
a.
Issue safety equipment to workers
b.
Deal with safety concerns of the workers
c.
Clean and maintain all safety equipment in the plant
d.
Complete and maintain all incident reports in the plant
Deal with safety concerns of the workers
Which one of these statements is true?:
Select one:
a.
The attitude of an injured worker has no impact on the outcome of his injury.
b.
Financial costs of a workplace injury outweigh all other costs
c.
A workplace injury can destroy an employee’s self esteem
d.
An injured worker usually causes his own injury.
A workplace injury can destroy an employee’s self esteem
An area in which the atmosphere contains dust in concentrations high enough to produce explosive or ignitable mixtures, has an Electrical Classification of:
Select one:
a.
Class 1
b.
Class 2
c.
Class 3
d.
Class 4
Class 2
Foam fire extinguishers are recommended for use on:
Select one:
a.
Class “A” and Class “B” fires
b.
Class “A” and Class “C” fires
c.
Class “C” and Class “B” fires
d.
Class “C” and Class “D” fires
Class “A” and Class “B” fires
What is an example of a human cost related to workplace injuries?
a.
Legal costs and fines
b.
Production losses
c.
Loss of self-esteem
d.
Increased insurance costs
Loss of self-esteem
A high proportion of the reported workplace injuries are from the age group of:
Select one:
a.
25 to 30
b.
30 to 45
c.
16 to 25
d.
45 to 55
16 to 25
Which of the following applies to confined space entry permits?
a.
They may not be used for boiler furnaces
b.
They do not require a watchperson
c.
They are needed for control rooms with only one door
d.
They are necessary for internal vessel inspections
They are necessary for internal vessel inspections
Statistically, the greatest number of workplace injuries occur among which group(s) of workers?
a.
Workers age 40–55
b.
Workers age 21–40
c.
New workers and young workers
d.
Workers approaching retirement
New workers and young workers
What are Class K fires?
a.
Electrical fires
b.
Fires that require a potassium extinguishing agent
c.
Kitchen fires
d.
Combustible liquid fires
Kitchen fires
Why should hard hats never be painted?
Select one:
a.
Paint does not adhere well to plastic
b.
Different colors normally indicate varying job positions or departments in plants
c.
Paint will weaken the plastic
d.
Toxic fumes may be released
Paint will weaken the plastic
Which of the following applies to fire extinguishers?
a.
They do not require training to use
b.
They can be used on any class of fires
c.
They should only be used by trained firefighters
d.
They should only be used by personnel who have the proper training
They should only be used by personnel who have the proper training
The ignition temperature of a fuel/air mixture is the:
Select one:
a.
Lowest temperature at which a mixture will burn.
b.
Temperature at which it becomes a lean mixture.
c.
Highest mixture temperature before the fuel turns to vapour.
d.
Temperature at which the mixture is above the boiling point.
Lowest temperature at which a mixture will burn.
Halon agents extinguish a fire by:
Select one:
a.
Cooling below ignition temperature
b.
Radiation shielding
c.
Isolating the fuel by coating
d.
Breaking the molecular chain reactions
Breaking the molecular chain reactions
_________ are used in conjunction with safe work permits.
a.
Incident reports
b.
Stop work orders
c.
Equipment lockout procedures
d.
Pens
Equipment lockout procedures
Foam extinguishers are recommended for:
Select one:
a.
Class “A” and Class “B” fires
b.
Class “A” and Class “C” fires
c.
Class “B” and Class “C” fires
d.
All classes of fires
Class “A” and Class “B” fires
Which of the following applies to the maintenance of fire extinguishers?
a.
Must be completed every 3 years
b.
Involves dismantling, cleaning, and testing the fire extinguisher
c.
Requires the fire extinguisher to be sent back to the manufacturer
d.
Involves recharging the fire extinguisher and replacing the pin
Involves dismantling, cleaning, and testing the fire extinguisher
A course on H2S safety should be taken by all workers who may encounter the gas in their plant. One of the recommended courses is called:
Select one:
a.
H2S Alive
b.
H2S Awareness
c.
H2S Safety
d.
H2S Petroleum awareness
H2S Alive
Carbon Dioxide is used to fight electrical fires because it
Select one:
a.
Has better cooling ability than other agents.
b.
Provides a barrier between the oxygen and the burning components.
c.
Does not leave a residue.
d.
Is non toxic.
Does not leave a residue.
Gas cylinders must be stored:
Select one:
a.
Inside, close to the consuming equipment
b.
In a well heated room
c.
With all fittings lightly oiled or greased
d.
Upright and firmly secured
Feedback
Upright and firmly secured
What is the first step in eliminating hazards in an energy plant?
Select one:
a.
Identify the hazards
b.
survey the employees for ideas on eliminating hazards
c.
Set up a housekeeping plan to keep the areas clean and free of hazards
d.
Review past accident/incident reports
Identify the hazards
Carbon dioxide fire extinguishers:
Select one:
a.
Are self-expelling
b.
Are the best for Class “A” fires
c.
Are the quietest in operation
d.
Present no hazards during use
Are self-expelling
What is an effective method of fire prevention?
a.
Proper housekeeping
b.
Eliminating ignition sources
c.
Properly storing flammable materials
d.
A, B and C
A, B and C
What tool is used to find hazards in a plant?
Select one:
a.
Employee surveys
b.
A Hazard Assessment and Identification process
c.
Analyzing accident and incident investigation forms
d.
Hiring a contractor to clean up the plant site, and review the work
A Hazard Assessment and Identification process
Which of the following is true for electrical equipment?
a.
Can cause a fire if not properly designed for use in electrically classified areas
b.
Should only be operated by an electrician
c.
Must be designed to operate in all types of atmospheres without breaking down
d.
Should never be used in hydro facilities
Can cause a fire if not properly designed for use in electrically classified areas
Which of the following is true for isolating equipment before work is done?
a.
Isolation is not required to prevent injury or fatality
b.
Isolation cannot be done until a safe work permit is issued
c.
Isolation is required when energy poses a hazard to workers
d.
Isolation is done by electricians
Isolation is required when energy poses a hazard to workers
All maintenance on portable fire extinguishers must be:
Select one:
a.
Completed on all extinguishers in the plant at the same time
b.
Performed at the work site in case they are required for emergency service
c.
Contracted out to a certified service company
d.
Supervised by a National Fire Protection Association employee
Contracted out to a certified service company
A Material Safety Data Sheet must be supplied by the:
Select one:
a.
Occupational Health and Safety Committee
b.
Supplier of the controlled product
c.
Federal government
d.
Plant supervisor
Supplier of the controlled product
Where do fire pumps need a check valve?
a.
In both the suction and discharge lines
b.
They do not need a check valve on the discharge line
c.
In the suction line
d.
On the discharge line
On the discharge line
Fuel air mixtures that are outside of the flammable range:
Select one:
a.
Can ignite spontaneously
b.
Cannot burn or explode
c.
May explode but not burn
d.
Must have a source of ignition to burn them
Cannot burn or explode
An employer must not allow shortcuts when it comes to:
Select one:
a.
Annual shutdowns
b.
Safety Committee formation
c.
Isolation of equipment
d.
Equipment overhaul scheduling
Isolation of equipment
Which of the following is true for asbestos that is present in the workplace?
a.
It is illegal
b.
It is a health hazard whether it has been disturbed or not
c.
It should not be removed or disturbed without following special procedures
d.
It is only a health hazard when ingested in large quantities
It should not be removed or disturbed without following special procedures
Individual responsibilities for health and safety must be borne by:
Select one:
a.
Management only
b.
Employees only
c.
All personnel in a work place
d.
Owners only
All personnel in a work place
The extinguishing medium for a Class “D” fire is:
Select one:
a.
Carbon dioxide
b.
Dry powder
c.
Aqueous film forming foam
d.
Dry chemical
Dry powder
Confined space entry procedures should be applied when work is being done in any industrial area that does not have:
Select one:
a.
Moderate air temperatures
b.
Proper lighting
c.
Easy access for personnel rescue in an emergency
d.
A gas-free atmosphere
Easy access for personnel rescue in an emergency
Which of the following applies to a safe work permit?
a.
Ensures all work is performed safely
b.
Is not a legal document
c.
Is a hazard and risk assessment tool
d.
Is required to enter any area of a plant
Is a hazard and risk assessment tool
If a fuel-air mixture is below the lower explosive limit, the mixture:
Select one:
a.
Is said to be lean
b.
Is explosive
c.
Is too rich
d.
Must have a source of ignition
Is said to be lean
Which of the following extinguishers would ordinarily be used to combat a Class “C” fire:
Select one:
a.
Carbon dioxide and Foam
b.
Carbon dioxide and Dry chemical
c.
Foam and Dry chemical
d.
Foam and Water
Carbon dioxide and Dry chemical
Which of the following extinguishers would ordinarily be used to combat a Class “C” fire:
Select one:
a.
Foam
b.
Dry powder
c.
Water
d.
Carbon dioxide
Carbon dioxide
Burning metals may be extinguished using:
Select one:
a.
Dry chemical extinguishers
b.
Carbon dioxide extinguishers
c.
AFFF extinguishers
d.
Dry powder extinguishers
Dry powder extinguishers
A process that causes fires to endure and renew themselves is:
Select one:
a.
Temperature
b.
A reducing agent
c.
An oxidizing agent
d.
Molecular activity due to high temperature
Molecular activity due to high temperature
A Class C fire will become which class of fire once the power has been turned off?
a.
Class K
b.
Class D
c.
F
d.
Class A or Class B
Class A or Class B
Which is a function of the joint health and safety committee?
Select one:
a.
Complete and maintain all incident reports in the plant
b.
Deal with safety concerns of the workers
c.
Issue safety equipment to workers
d.
Clean and maintain all safety equipment in the plant
Deal with safety concerns of the workers
It is the employers responsibility to ____________ personal protective equipment .
Select one:
a.
Supply and ensure usage of
b.
Issue, care for, and maintain
c.
Only supply
d.
Supply, ensure usage, and maintain
Supply and ensure usage of
Daily fire suppression system checks should include:
Select one:
a.
Fire pump run test
b.
Water supply valves to all systems are open and locked open if necessary
c.
Visual inspection of fire hoses for readiness
d.
Hydrostatic testing of sprinkler lines
Visual inspection of fire hoses for readiness
Which of the following situations will support combustion?
a.
A closed pressure vessel that contains nitrogen gas and liquid hydrocarbon above their ignition temperature
b.
A mixture of air and methane in a flare header
c.
A closed pressure vessel that contains propane at a temperature above its flash point
d.
An open container of hydrocarbon at a temperature below its flashpoint
A mixture of air and methane in a flare header
Carbon Dioxide is used to fight electrical fires because it
Select one:
a.
Has better cooling ability than other agents.
b.
Provides a barrier between the oxygen and the burning components.
c.
Does not leave a residue.
d.
Is non toxic.
Does not leave a residue.
Which is the workers responsibility?
Select one:
a.
Clearly defined roles and responsibilities for management, workers, contractors, and visitors at the plant site
b.
Clearly stated goals and objectives of the health and safety program
c.
Co-operating with others on workplace safety and health
d.
Issuing proper safety equipment to all workers
Co-operating with others on workplace safety and health
In order for hydrocarbons to burn, the:
Select one:
a.
Mixture must be lean
b.
Air/fuel mixture should be above the upper flammable limit
c.
Fuel/air mixture must be rich
d.
Fuel must be a vapour
Fuel must be a vapour
A high proportion of the reported workplace injuries are from the age group of:
Select one:
a.
25 to 30
b.
30 to 45
c.
16 to 25
d.
45 to 55
16 to 25
A course on H2S safety should be taken by all workers who may encounter the gas in their plant. One of the recommended courses is called:
Select one:
a.
H2S Alive
b.
H2S Awareness
c.
H2S Safety
d.
H2S Petroleum awareness
H2S Alive
A major disadvantage of a floor standing pump extinguisher over a backpack extinguisher is:
Select one:
a.
The floor unit has far less capacity
b.
The backpack unit has twice the range
c.
Pumping must stop to relocate the floor standing pump
d.
The floor unit pump is only single acting
Pumping must stop to relocate the floor standing pump
The type of fire extinguisher usually used on a live electrical fire is a/an ________ extinguisher:
Select one:
a.
Pressurized water
b.
Dry chemical
c.
AFFF
d.
Carbon dioxide
Carbon dioxide
Fall protection equipment is required, in most jurisdictions, for workers working at heights over:
Select one:
a.
3 metres
b.
10 feet
c.
10 metres
d.
2.6 metres
3 metres
