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ST202-M

A vibrant image of a fire safety training session, including electrical safety equipment, hazardous materials, and professionals engaging in safety discussions.

Electrical Safety Quiz

Test your knowledge about electrical hazards, safety standards, and fire prevention with our comprehensive quiz!

Whether you're a safety officer, a student, or just someone interested in fire safety, this quiz will help you:

Understand critical safety features
Learn about flammable materials
Identify potential hazards in various environments

20 Questions5 MinutesCreated by LearningLight42

All of the following are common electrical hazards that can result in fire ignition sources except:

Arcing

Conduction

Short circuit

Ground failure

According to the handout, combustible liquid has flash point

Below 100C

Above 100C

At 100C

Boiling point is the temperature at which the vapour pressure is equal to the standard sea-level atmospheric pressure

True

False

Which of the following are safety Features of an approved safety cabinet

Maximum capacity of 5 gallons

Spring closing lid

Spout cover

All of the above

The minimum temperature at which a liquid gives off vapor in sufficient concentration to form an ignitable mixture with air is known as:

Upper explosive limit

Lower explosive limit

Flash point

Ignition temperature

Locations with hazardous combustible dust according to NEC is classified as.

Class II

Class IIA

Class IB

Class III

All the following is a safety features of an approved storage cabinet, except

A self-closing doors

Venting

Steel construction

Spout cover

.........reduces visibility and irritates eyes and lungs on an escaping occupants of a building under fire

Fire

Smoke

Fire gases

Heat

Class III NFPA classification system correspond to which category of GHS.

Category 1

Category 2

Category 3

Category 4

Some of the common reasons for variety of electrical fire problems in the workplace is as a result of:

Poor maintenance

Improper installation

All of the above

Improper use of equipment

Vapor concentration above the UEL will ignite (start fire)

True

False

The primary loss of life in a fire is due to the toxic fire gases.

True

False

Combustion can also be defined as an endothermic chemical reaction between some substance and oxygen

True

False

Carbon dioxide is low in toxicity and is not normally considered a significant toxin in smoke.

True

False

The electromagnetic waves associated with a fire are typically in the ultraviolet region, with only a small fraction emitted in the visible light.

True

False

Heat transfer via electromagnetic waves requires medium.

True

False

Locations with hazardous flammable gases or vapors according to NEC is classified as.

Class II

Class I

Class III

Locations with hazardous ignitable fibers or flying's according to NEC is classified as.

Class II

Class III

Class I

The boiling point of a substance is the temperature at which it changes state from gas to liquid throughout the bulk of the liquid.

True

False

When a flammable or combustible liquid is involved in a fire, it is the vapor over the surface of the liquid that burns.

True

False

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