LINE A SAFE WORK PRACTICES

When using a shock absorber lanyard, what must be accounted for in the fall protection system design?

Lanyard length may increase by up to 1.2 m (4 ft.) during a fall.

Lifting should be done primarily with the:

Legs

What should you do to turn or move an object in another direction?

Lift the object then turn your feet.

When might you require a hot work permit?

When doing welding or cutting in areas with combustible materials

When must hard hats be worn?

Whenever a hazard of flying or falling objects exists

How far apart should the feet be when lifting?

Shoulder width apart

What type of footwear must be worn when working in the welding shop?

Steel toe

When lifting, the back should be:

Straight

When a fire is being extinguished, how does covering the fire with a lid or wet blanket affect the fire?

Smothering

When foam is applied to a fire, what is the result?

Smothering

What piece of fall protection equipment must be self-locking?

Snap hook

What is another name for temporary construction heaters?

Space heaters

When handling chemicals, what are rubber gloves and a face shield worn to protect against?

Spills and splashes

What is the symbol indicating that an extinguisher is suitable for Class B fires?

Square

What is the symbol that is used to indicate that an extinguisher is suitable to extinguish a Class D fire?

Star

When a gas fire is being extinguished how does shutting off the main valve affect the fire?

Starvation

What should you do if the fire is spreading rapidly?

Exit to a safe location

How far should the arms be from the body when lifting?

As close as possible

What is the first step to take when a fire is discovered?

Assist any person in immediate danger to safety.

Which of the following best describes the lowest temperature at which a volatile material will vapourise into a gas and potentially catch fire without an external ignition source?

Autoiginition temperature

When setting down an object, after having lifted it, what must be done?

Bend the knees

How are fire extinguishers classified?

By the type of fire they will extinguish

What is the fourth component that creates the fire tetrahedron?

Chemical chain reaction

What is the symbol indicating that an extinguisher is suitable for Class C fires?

Circle

What class are fires involving ordinary combustibles such as wood?

Class A

What class are fires involving gasoline and other flammable liquids?

Class B

What is the classification of an electrical fire?

Class C

Where should the weight be positioned when lifting?

Close to the body

When a wood fire is being extinguished, how does applying water affect the fire?

Cooling

What type of hearing protection can have a communication speaker installed into it?

Custom-fitted earplugs

What is the fall protection component that connects a safety belt or harness to an anchor point?

Lanyard

What piece of fall protection equipment reduces the impact on the body when a fall happens?

Deceleration device

In a Class C fire, what is the burning material?

Electrical conductors or components

What PPE must be worn when performing an operation that could create flying particles or chips?

Eye and face protection

What term best describes the combination of PPE that is used to protect workers who fall?

Fall arrest system

A safety belt could be used as a component of what type of fall protection system?

Fall restraint system

Any worker can and should use a fire extinguisher.

False

Bump hats are designed to be used in areas with low head clearance. They are used to protect against head bumps and lacerations, but can also be used to protect against falling or flying objects.

False

Cartridge respirators are commonly used when performing work in an environment contaminated with highly toxic gases.

False

If you don't know what is burning, make sure that you use an ABC fire extinguisher.

False

Leather gloves should be used for handling acids, caustics, or solvents.

False

When the hot work is completed all personnel must exit the area immediately.

False

You should stand as close to the fire as possible when using a fire extinguisher as long as you don't feel too much heat.

False

You should tuck your pant legs inside your boots when working near a torch or grinder.

False

What material characteristic affects the maximum quantities of flammable materials stored?

Flashpoint temperature

Which of the following is required for face protection when grinding?

Full face shield

What PPE are workers responsible for supplying?

Gloves, safety headgear, and safety footwear

What three components must you have to support combustion?

Heat, oxygen and fuel

Most back injuries are the result of:

Improper bending and lifting techniques

What makes loose or sloppy clothing dangerous in mechanical shops?

May get caught in machinery

When preparing to lift an object, how should you position your feet?

One slightly ahead of the other

What does the acronym PASS stand for?

Pull, Aim, Squeeze, Sweep

What precaution should be taken when removing a vehicle battery?

Remove ground wire first

When standing for long periods of time at a working position, back strain can be reduced by:

Resting one foot on a block about 20 cm (8 in.) high

Which of the following best describes the relationship between flash point and volatility?

The flash point is the lowest temperature at which a substance vaporises into a gas, which can be ignited with the introduction of an external source of fire. The lower this flash point, the more volatile a fluid is.

A lower flash point means?

The fluid is more volatile

What is the symbol indicating that an extinguisher is suitable for Class A fires?

Triangle

It is the worker's responsibility to wear proper safety equipment on the job-site.

True

Keeping the components of combustion separated will prevent a fire.

True

Never paint on or apply labels to a hard hat.

True

Oxidation is the process of oxygen uniting with another element.

True

Portable fire extinguishers contain a limited amount of extinguishing agent.

True

Rings and metal watchbands constitute a hazard on the job and can contribute to a shock or a burn.

True

When a hard hat has sustained an impact, it doesn't need to be replaced unless it has noticeable damage.

True

When wearing a respirator for lung protection, it is necessary to use the correct cartridge for the type of hazards to which you are exposed.

True

Is the autoignition temperature is higher than the flash point?

Yes