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4 A review > unit 4 > Flashcards

unit 4 Flashcards

1
Q

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

A

d. Molecular activity due to high temperature

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2
Q

Fall protection equipment is required, in most jurisdictions, for workers working at heights over:

Select one:

a. 10 feet
b. 10 metres
c. 2.6 metres
d. 3 metres

A

d. 3 metres

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3
Q

`What tool is used to find hazards in a plant?

Select one:

a. Hiring a contractor to clean up the plant site, and review the work
b. A Hazard Assessment and Identification process
c. Employee surveys
d. Analyzing accident and incident investigation forms

A

b. A Hazard Assessment and Identification process

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4
Q 
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
A

b. Open the motor breaker

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5
Q

Why should hard hats never be painted?

Select one:

a. Paint does not adhere well to plastic
b. Paint will weaken the plastic
c. Different colors normally indicate varying job positions or departments in plants
d. Toxic fumes may be released

A

b. Paint will weaken the plastic

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6
Q 
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
A

d. Breaking the molecular chain reactions

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7
Q

Fire pump testing is described in the standard:

Select one:

a. NFPA 13
b. NFPA 20
c. NFPA 14
d. NFPA 25

A

d. NFPA 25

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8
Q

It is the employers responsibility to ____________ personal protective equipment .

Select one:

a. Supply, ensure usage, and maintain
b. Issue, care for, and maintain
c. Supply and ensure usage of
d. Only supply

A

c. Supply and ensure usage of

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9
Q

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.

A

b. Provides a barrier between the oxygen and the burning components.

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10
Q

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

A

c. Contracted out to a certified service company

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11
Q

Which is the workers responsibility?

Select one:

a. Co-operating with others on workplace safety and health
b. Clearly defined roles and responsibilities for management, workers, contractors, and visitors at the plant site
c. Clearly stated goals and objectives of the health and safety program
d. Issuing proper safety equipment to all workers

A

a. Co-operating with others on workplace safety and health

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12
Q

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.

A

c. Smothering the burning liquid.

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13
Q

What is the first step in eliminating hazards in an energy plant?

Select one:

a. Set up a housekeeping plan to keep the areas clean and free of hazards
b. Review past accident/incident reports
c. Identify the hazards
d. survey the employees for ideas on eliminating hazards

A

c. Identify the hazards

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14
Q

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”

A

a. Class “A”

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15
Q

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

c. A workplace injury can destroy an employee’s self esteem

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16
Q 
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

c. A turbine lube-oil fire

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17
Q 
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
A

d. Carbon dioxide

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18
Q 
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
A

d. Electrical panel

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19
Q

Burning metals may be extinguished using:

Select one:

a. Dry chemical extinguishers
b. Carbon dioxide extinguishers
c. AFFF extinguishers
d. Dry powder extinguishers

A

d. Dry powder extinguishers

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20
Q

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.

A

d. Restricted access and egress and may become a life-threatening environment.

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21
Q 
A Class “A” fire would involve:
Select one:
a. Gasoline or oil
b. Paint or grease
c. Electrical equipment
d. Wood or coal
A

d. Wood or coal

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22
Q

Fire pumps usually start automatically with a signal from:

Select one:

a. sprinkler head
b. Fire main pressure
c. water main pressure
d. smoke/heat detector

A

c. water main pressure

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23
Q

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

A

b. Carbon dioxide and Dry chemical

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24
Q 
The most common and easiest to maintain sprinkler system is the:
Select one:
A. Preaction
B. Dry Pipe
C. Wet Pipe
D. Deluge
A

C. Wet Pipe

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25
Q

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.

A

d. Assist the worker in seeking and obtaining support services.

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26
Q

A safe work permit for cold work is intended for work:

Select one:

a. For work that may cause a fire, but unlikely
b. only in freezers and cold spaces
c. Only for outside work in winter months
d. For work that will usually not cause a fire

A

d. For work that will usually not cause a fire `

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27
Q 
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
A

c. 16 to 25

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28
Q

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. Should work with the Safe Work Permit issuer to ensure a safe work site
c. Does not need to hand in the safe work permit at the end of the shift
d. Relies solely on the issuer to create and maintain a safe work site

A

b. Should work with the Safe Work Permit issuer to ensure a safe work site

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29
Q

` 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

A

b. Cannot burn or explode

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30
Q

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

A

b. Supplier of the controlled product

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31
Q

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

A

c. Stored in separate areas

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32
Q 
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
A

c. All personnel in a work place

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33
Q

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

A

a. Is one of the conditions that usually cause electrical fires in buildings

34
Q

Daily fire suppression system checks should include:

Select one:

a. Fire pump run test
b. Hydrostatic testing of sprinkler lines
c. Visual inspection of fire hoses for readiness
d. Water supply valves to all systems are open and locked open if necessary

A

c. Visual inspection of fire hoses for readiness

35
Q

Fire pump testing should be completed:

Select one:

a. annually
b. Monthly
c. Weekly
d. Annually, Monthly and weekly

A

d. Annually, Monthly and weekly

36
Q

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

A

a. Class “A” and Class “B” fires

37
Q 
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
A

d. Carbon dioxide

38
Q 
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
A

c. Class 3

39
Q

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

A

c. Pumping must stop to relocate the floor standing pump

40
Q

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

A

d. Sealing vapours, cooling, and removing oxygen

41
Q

Which is a function of the joint health and safety committee?

Select one:

a. Issue safety equipment to workers
b. Complete and maintain all incident reports in the plant
c. Deal with safety concerns of the workers
d. Clean and maintain all safety equipment in the plant

A

c. Deal with safety concerns of the workers

42
Q 
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
A

a. Class “A” and Class “B” fires

43
Q

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.

A

d. Protects the cylinder valve from damage.

44
Q

Fire sprinkler hydrostatic testing should be done _________:

Select one:

a. every 3-5 years
b. not required on most sprinkler systems
c. annually
d. monthly

A

a. every 3-5 years

45
Q

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.

A

a. Lowest temperature at which a mixture will burn.

46
Q

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 Safety
b. H2S Alive
c. H2S Awareness
d. H2S Petroleum awareness

A

b. H2S Alive

47
Q 
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
A

b. Dry powder

48
Q 
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
A

c. Valve caps

49
Q 
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
A

a. Is said to be lean

50
Q

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

A

d. Employee training, Labelling, Material Safety Data Sheets, Hazard identification and product classification

51
Q 
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
A

d. Fuel must be a vapour

52
Q 
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
A

a. Class 1

53
Q

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

A

c. Easy access for personnel rescue in an emergency

54
Q 
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
A

c. Isolation of equipment

55
Q

Confined spaces include the following, except for:

Select one:

a. stacks
b. Deaerators
c. MCC room
d. Boilers

A

c. MCC room

56
Q 
The type of sprinkler system that requires a supplemental detection system (such as a smoke detector) to operate is the:
Select one:
a. Dry Pipe
b. Deluge System
c. Preaction 
d. Wet Pipe
A

c. Preaction

57
Q 
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
A

b. Class 2

58
Q

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

A

a. Are self-expelling

59
Q

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

A

b. the liquid will produce enough vapour to form a flammable mixture when mixed with air

60
Q

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

A

d. Until any serious safety hazards are corrected

61
Q 
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
A

c. Isolation of equipment

62
Q

Burning metals may be extinguished using:

Select one:

a. Dry chemical extinguishers
b. Carbon dioxide extinguishers
c. AFFF extinguishers
d. Dry powder extinguishers

A

d. Dry powder extinguishers

63
Q 
The most common and easiest to maintain sprinkler system is the:
Select one:
A. Preaction
B. Dry Pipe
C. Wet Pipe 
D. Deluge
A

C. Wet Pipe

64
Q

Fire pumps usually start automatically with a signal from:

Select one:

a. water main pressure
b. smoke/heat detector
c. sprinkler head
d. Fire main pressure

A

d. Fire main pressure

65
Q

Asbestos is an old insulation material still found in many plants. Asbestos fibres cause health problems because:

Select one:

a. The fibres do not cause the damage, but the dust sitting in the lungs causes a type of pneumonia.
b. The fibres cause scarring for no reason
c. The dust causes flu like diseases
d. The fibres lodge in a workers lungs and stay because of hook like barbs on the fibre

A

a. The fibres do not cause the damage, but the dust sitting in the lungs causes a type of pneumonia.

66
Q

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.

A

d. Restricted access and egress and may become a life-threatening environment.

67
Q 
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
A

c. 16 to 25

68
Q

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

A

c. Easy access for personnel rescue in an emergency

69
Q 
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
A

a. Is said to be lean

70
Q

Fire sprinkler hydrostatic testing should be done _________:

Select one:

a. not required on most sprinkler systems
b. annually
c. monthly
d. every 3-5 years

A

d. every 3-5 years

71
Q 
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
A

a. Class 1

72
Q

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

A

a. Supply and ensure usage of

73
Q 
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

c. A turbine lube-oil fire

74
Q

Confined spaces include the following, except for:

Select one:

a. MCC room
b. Deaerators
c. Boilers
d. stacks

A

a. MCC room

75
Q 
A reducing agent or fuel could be:
Select one:
a. Carbon monoxide 
b. A heavy metal oxide
c. Hydrogen peroxide
d. Concentrated Sulphuric acid
A

a. Carbon monoxide

76
Q

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

A

a. Class “A” and Class “B” fires

77
Q

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

A

d. Until any serious safety hazards are corrected

78
Q

Which is a function of the joint health and safety committee?

Select one:

a. Complete and maintain all incident reports in the plant
b. Issue safety equipment to workers
c. Deal with safety concerns of the workers
d. Clean and maintain all safety equipment in the plant

A

c. Deal with safety concerns of the workers

79
Q

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

A

d. Upright and firmly secured

80
Q 
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
A

d. Breaking the molecular chain reactions

4 A review (3 decks)

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