All Questions SF/PF

Place the following in order when using a portable extinguisher to fight a fire.

1. Aim the nozzle

2. pull the pin

3. sweep side to side

4. squeeze trigger

1. Pull the pin, 2. Aim the nozzle at the base of the fire, 3. Squeeze the trigger, 4. Sweep side to side.

With a single basket hitch, as the angle between the load and the sling angle decreases, what happens to the load capacity of the hitch?

The capacity at the hitch decreases

What is a disconnecting?

A method of separating or disengaging one component from another in a mechanical or electrical context.

What level of current on the human body in milli-amps means severe burns and muscle contractions that clamp the heart and stop it during the shock?

Over 200

What year did WHMIS become law in Canada?

1988

What does it mean when foot wear has a yellow triangle?

It is intended for light industrial work requiring puncture protection as well as toe protection.

What are the three key elements of a WHMIS system?

The three key elements of a WHMIS system are labels, safety data sheets (SDS), and worker education and training.

Who must ensure that all components of a fall protection system are compatible with one another and designed to suit the characteristics of the work environment?

The employer is responsible for ensuring that all components of a fall protection system are compatible and appropriate for the work environment.

When a single leg sling is used during hoisting, what is a tag line used for?

A tag line is used to control the load being lifted, preventing it from swinging or spinning during movement.

The minimum ultimate load for a chain is times the chains working load limit

Five times the chain's working load limit.

A single basket hitch is used for what kinds of loads?

Easily balanced load.

What huge disaster occurred on March 20, 1905 that started the process of regulations and standards in the pipe trade industry?

A boiler explosion occurred in a shoe factory killing 58 people

What is the required minimum Arc rating in cal/cm2 for clothes that has an arc FR rated shirt and FR pants or a FR coverall with an arc flash suit selected so that the system arc ratings meet the required minimum of layers?

40 cal/cm2 CSA Z462/NFPA 70E table, Category 4.

Which products is the WHMIS system designed to provide safety for?

Controlled products.

What extinguishing agent should be used in a Class A or B fire?

Foam

What does the term “interpretations” mean in the last code section of ASME?

Written requests for clarification of technical information.

At what degree sling angle will the load on each leg of a two leg sling be equal to the weight of the load being lifted?

At a 60-degree angle.

In what form do code changes come in the pipe trade industry?

In the form of an addenda

It is dangerous to use chisels that have

Mushroomed heads because they can shatter and cause injury.

A cold chisel that has a mushroomed head can be reclaimed by

Grinding to the original shaft size

File handles should be on files because

they provide a secure grip and prevent injury.

A split hammer handle is best repaired by

removing and replacing it.