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Power Engineering > Book 3: 4-09 "Fire Safety & Site Hazards" > Flashcards

Book 3: 4-09 "Fire Safety & Site Hazards" Flashcards

1
Q

Fire Codes and Standards recommend that the number of portable fire extinguishers to be installed shall be determined in accordance with the:
Select one:

A. Ambient conditions

B. Severity of the incipient fire anticipated

C. Design of the building

D. Orders from the local Fire Inspector

E. Availability of fire protection

A

B. Severity of the incipient fire anticipated

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2
Q

Dry chemical fire extinguishers extinguish the fire by:
Select one:

A. Lowering the temperature of the fire

B. Inhibiting the chain reaction of the fire

C. Cooling the combustible material

D. Excluding oxygen from the fire

E. Displacing the oxygen

A

B. Inhibiting the chain reaction of the fire

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3
Q

Carbon dioxide extinguishes a fire by:
Select one:

A. Raising the temperature of the water

B. Excluding oxygen from the fire

C. Insulating the combustible material

D. Inhibiting the chain reaction

E. Cooling the combustible material

A

B. Excluding oxygen from the fire

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4
Q

An arc flash (is):

Select one:

A. May result in serious injury or death

B. always controlled by a breaker trip

C. The minor part of a circle

D. Only occurs at when two wires are cut

A

A. May result in serious injury or death

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5
Q

(4-035-1.5) H2S has a “rotten egg odour” and:

Select one:

A. Has a narrow explosive range

B. Can always be detected by smell

C. Has a high boiling point

D. Can dull a person’s sense of smell

E. Can be seen with the naked eye

A

D. Can dull a person’s sense of smell

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6
Q

The function of a Safe Work permit is to:

Select one:

A. To keep workers safe in the workplace

B. Determine responsibility of any accident

C. Replace a full lockout procedure

D. Standardize Provincial legislation

A

A. To keep workers safe in the workplace

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7
Q

Work on live electrical equipment:

Select one:

A. Should not be performed

B. Must be performed by an authorized employee

C. Requires a safe work permit

D. Requires the approval of the safety supervisor

A

A. Should not be performed

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8
Q

Fire regulations are designed for the:
Select one:

A. Use of local Fire Departments

B. Prevention of excessive high risk loss

C. Protection of persons and property

D. Benefit of the Fire Inspector

E. Use of insurance companies

A

C. Protection of persons and property

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9
Q

Water extinguishes a fire by:
Select one:

A. Inhibiting the chain reaction

B. Cooling the combustible material

C. Insulating the combustible material

D. Raising the temperature of the water

E. Converting into steam

A

B. Cooling the combustible material

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10
Q

A class “D” type of fire involves combustion in:
Select one:

A. Inert gases

B. Metals

C. Flammable or combustible liquids

D. Ordinary materials

E. Live electrical equipment

A

B. Metals

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11
Q

The principle advantage of carbon dioxide as a fire extinguishing agent is that it:
Select one:

A. Can penetrate to all parts of the fire

B. Is non-combustible

C. Leaves no residue

D. Does not conduct electricity

E. Does not react with most materials

A

C. Leaves no residue

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12
Q

A large electrical motor may have a/an _____ attempts to start it.
Select one:

A. Specified minimum number of

B. Specific maximum number of

C. Specified minimum time between

D. Specific number of

E. Specified maximum time between

A

C. Specified minimum time between

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13
Q

A small centrifugal pump, usually called a _____ is used to maintain the pressure in the fire protection system.
Select one:

A. Jockey pump

B. Centrifugal pump

C. Mini pump

D. Manual pump

E. Fire pump

A

A. Jockey pump

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14
Q

A class “C” type of fire involves combustion in:
Select one:

A. Metals

B. Live electrical equipment

C. Flammable or combustible liquids

D. Inert gases

E. Ordinary materials

A

B. Live electrical equipment

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15
Q

Asbestos covering a pipe

Select one:

a. Is not considered a problem unless there are visible air born particles

b. Must be replaced by new asbestos once it has been disturbed

c. Is the best insulation to use in a new facility

d. Must be replaced by specially trained contractors or staff once it has been disturbed

A

d. Must be replaced by specially trained contractors or staff once it has been disturbed

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16
Q

What are the four preventative measures used as part of a Job Safety Analysis:

A
  1. Job priority analysis, most critical jobs are examined first.
  2. Breaking the job into basic steps
  3. Identify potential hazards
  4. Determine preventative measures
17
Q

The foam fire extinguisher is especially suitable for small Class _____ fires.
Select one:

A. A

B. C

C. B

D. A and B

E. BC

A

D. A and B

18
Q

When the operator opens a breaker:

Select one:

A. An arc flash will not occur

B. The dominant hand is always used to ensure proper control

C. The proper position is directly in front of the beaker

D. They should look away

A

D. They should look away

19
Q

A class “A” type of fire involves combustion in:
Select one:

A. Ordinary materials

B. Flammable or combustible liquids

C. Live electrical equipment

D. Inert gases

E. Metals

A

A. Ordinary materials

20
Q

Hydrogen sulfide is a highly toxic gas that

Select one:

A. Is only found in natural gas

B. Is always easy to detect by smell

C. Is only found in gas plants

D. May be fatal with one breath

A

D. May be fatal with one breath

21
Q

A facilities fire pump is required in order to:
Select one:

A. Meet the requirements of the insurance inspector

B. Boost the pressure in the water system

C. Boost the volume in the water system

D. Meet the requirements of the fire protection system

E. Supply water to the facility

A

D. Meet the requirements of the fire protection system

22
Q

A class “B” type of fire involves combustion in:
Select one:

A. Metals

B. Live electrical equipment

C. Flammable or combustible liquids

D. Ordinary materials

E. Inert gases

A

C.
Flammable or combustible liquids

23
Q

The Dry Chemical type of fire extinguishing media should not be confused with:
Select one:

A. Halogenated agents

B. Dry Powder

C. Water

D. Carbon dioxide

E. Aqueous Film Forming Foam

A

B. Dry Powder

24
Q

Multipurpose dry chemicals can also be used on which of the following fires:
Select one:

A. Class C fires

B. Class B fires

C. Class ABC Fires

D. Class D fires

E. Class A fires

A

C. Class ABC Fires

25
Q

The equipment involved an electrical fire should be:
Select one:

A. Attached with a Class “D” fire extinguisher

B. De-energized as quickly as possible

C. Attached with a Class “B” fire extinguisher

D. Attached with a Class “A” fire extinguisher

E. Allowed to burn out

A

B. De-energized as quickly as possible

26
Q

Water extinguishes a fire by:
Select one:

A. Cooling the combustible material

B. Converting into steam

C. Insulating the combustible material

D. Inhibiting the chain reaction

E. Raising the temperature of the water

A

A. Cooling the combustible material

27
Q

Fire regulations are designed for the:
Select one:

A. Prevention of excessive high risk loss

B. Benefit of the Fire Inspector

C. Use of local Fire Departments

D. Protection of persons and property

E. Use of insurance companies

A

D. Protection of persons and property

28
Q

Hydrogen sulfide is a highly toxic gas that

Select one:

A. May be fatal with one breath

B. Is only found in natural gas

C. Is always easy to detect by smell

D. Is only found in gas plants

A

A. May be fatal with one breath

29
Q

The principle advantage of carbon dioxide as a fire extinguishing agent is that it:
Select one:

A. Can penetrate to all parts of the fire

B. Leaves no residue

C. Does not react with most materials

D. Does not conduct electricity

E. Is non-combustible

A

B. Leaves no residue

30
Q

A class “D” type of fire involves combustion in:
Select one:

A. Flammable or combustible liquids

B. Metals

C. Live electrical equipment

D. Ordinary materials

E. Inert gases

A

B. Metals

Power Engineering (18 decks)

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