Safety

Question 1

What’s the longest step ladder once can carry by themselves

Answer 1

10FT

Question 2

What’s the longest extension ladder one can carry

Answer 2

16FT

Question 3

How much aluminum could one person lift by the lock?

Answer 3

A 12” - 16” by 16’ piece

Question 4

What is a class A fire?

Answer 4

A fire extinguisher for ordinary combustibles like wood, cloth and rubber.
Cool the temps to retard or extinguish combustion

Question 5

What is a class B fire?

Answer 5

Involves flammable or combustible vapours.
Extinguishers must be able to prevent the release of the vapours.

Question 6

What are class C fires

Answer 6

Involves energized electrical equipment.
Requires non conductive extinguishing agents.
When equipment is de-energized you can use class A or B extinguishers depending on source of fuel

Question 7

What are Class D fires

Answer 7

Involves certain combustible metals: magnesium, sodium, titanium and zirconium.
Type of extinguisher is determined by metal burning.