Safety

Question 1

There is a fire involving magnesium what fire extinguisher should be used?

Answer 1

Class D

Question 2

There is a fire involving wood and paper what class fire extinguisher should you use?

Answer 2

Class A

Question 3

There is a fire involving gas what fire extinguisher should be used?

Answer 3

Class B

Question 4

There is an electrical fire what class fire extinguisher should you use?

Answer 4

Class C

Question 5

There is fire involving cooking oils what fire extinguisher should be used

Answer 5

Class K

Question 6

In respect to the Workplace Hazardous Material Information System (WHMIS 2015) descibe LD50

Answer 6

single dose of a substance or mixture that causes the death of 50 per cent of the group

Question 7

when a Serious Workplace Injury takes place when must it be reported?

Answer 7

3-5 days

When an injury is considered Serious it must be reported to the Workplace Safety Authority within the Provincial jurisdiction. (i.e.: Workers Compensation Board, Workplace Safety Board. etc.) Depending upon the Province, the injury must be report within 3 to 5 days of occurrence.

Question 8

What is the require minimum load capacity of a fall arrest anchor point?

Answer 8

5000 pounds of force.

Anchor points intended for fall arrest must have a minimum ultimate load capacity of 5000lbs-force (22.2 kilonewtons) per worker, in any direction.

Question 9

In respect to the Workplace Hazardous Material Information System (WHMIS 2015) how often must the Safety Data Sheets (SDS) be updated?

Answer 9

Whenever the supplier becomes aware of any significant new data.

MSDS must be updated every 3 years according WHMIS 1988. However WHMIS 2015 Canada requires a supplier to update SDSs when the supplier becomes aware of any “significant new data” that changes how the hazardous product is classified, or when there are changes to the way you will handle or store the product. SDSs will be required to be updated within 90 days of the supplier being aware of the new information.

Question 10

The symbol “K” classifies which of the following types of fire?

Answer 10

This class of fire involves cooking oils and fats.

Question 11

What does the acronym ISO stand for?

Answer 11

International Organization of Standardization

ISO stands for the International Organization of Standardization. This organization is responsible for setting commercial and industrial standards worldwide. These standards aid in increasing worldwide productivity and safety at the same time minimizing waste due to error.

Question 12

What best describes a fuel fire point?

Answer 12

This is the lowest temperature at which vapors of a fuel will keep burning after being ignited and the ignition source removed.

Question 13

In respect to the Workplace Hazardous Material Information System (WHMIS) who is responsible for classifying materials into their appropriate hazard class?

Answer 13

The supplier.

Question 14

describe a Workplace Serious & Reportable Injury in Canada?

Answer 14

Any injury that requiring hospital treatment, missed work time or modified work duties.

Question 15

which authority are Serious Workplace Injuries reported to in Canada?

Answer 15

The workplace safety authority within the provincial jurisdiction

Question 16

In respect to the Workplace Hazardous Material Information System (WHMIS) if a controlled hazardous material is decanted (transferred to a different container), what label must be applied to the new container?

Answer 16

Workplace label

Question 17

How often must a hard hat be replaced?

Answer 17

Every 5 years or less.

Hard hats should be replaced every 5 years or earlier depending upon the work environment and hat condition. Hard hat suspensions should be replaced every 12 months or earlier depending upon their condition.

Question 18

Before welding any storage tank which of the following should be performed?

Answer 18

The atmosphere in and around the tank should be tested with a gas tester for quality and flammability.

Question 19

best describe when Fall Protection is generally required in Canada?

Answer 19

When there is a potential for a fall of 3 meters (10 feet) or more.

Question 20

There is a fire involving live electrical equipment. What types of extinguisher should NOT be used?

Answer 20

Water Based

Question 21

describe a fuel flashpoint?

Answer 21

This is the lowest temperature at which the vapor of a fuel will ignite when a flame is passed over it.

Question 22

What does the acronym CSA stand for?

Answer 22

Canadian Standards Association

CSA stands for Canadian Standards Association. The CSA sets standards that must be met nationally to increase productivity and safety and minimize waste.

Question 23

Oily rags should be stored in what container to prevent the possibility of combustion?

Answer 23

closed metal container.

Question 24

What is the minimum interval for fall arrest equipment inspection?

Answer 24

Before each use

Question 25

What is the minimum oxygen level allowable in any space where work is being performed?

Answer 25

19.5% The minimum acceptable level of oxygen level when work is being performed in a confined space is 19.5% and the maximum allowable is 23%.

Question 26

In respect to the Workplace Hazardous Material Information System (WHMIS 2015) what describes the lowest concentration of a material that can burn or explode?

Answer 26

Lower explosive limit (LEL). Lower explosive limit (LEL) or Lower flammability limit (LFL) – the lowest concentration of a substance in air that will burn or explode when it is exposed to a source of ignition. At concentrations below the LEL, the mixture is “too lean” to burn or explode.

Question 27

Every workplace is required to have a JHSC. What does the acronym stand for?

Answer 27

Joint Health and Safety Committee

Question 28

What should be done with a fall arrest lanyard which may have been exposed to a solvent during use?

Answer 28

The lanyard should stopped being used immediately and not used until its safety has been determined by consulting the manufacturer.

Question 29

In respect to the Workplace Hazardous Material Information System (WHMIS), who is responsible for ensuring that Material Safety Data Sheets (MSDS) / Safety Data Sheets (SDS) are accessible to workers/employees?

Answer 29

The employer.

Question 30

What is the lifespan of a Class A Full Body Safety Harness?

Answer 30

There is no official lifespan

Question 31

In respect to the Workplace Hazardous Material Information System (WHMIS) who is responsible for providing appropriate workplace labels

Answer 31

The employer.

Question 32

How often must a confined space be tested for atmospheric conditions while work is being performed in the confined space?

Answer 32

As often as is necessary. 18. (1) The employer shall appoint a person with adequate knowledge, training and experience to perform adequate tests as often as necessary before and while a worker is in a confined space to ensure that acceptable atmospheric levels are maintained in the confined space in accordance with the relevant plan. O. Reg. 632/05, s. 18 (1).

Question 33

What is the Maximum Working Length of a Energy Absorbing Lanyard?

Answer 33

6 feet. Working length is the length from the inside of one clip to the other. The maximum allowable length regardless of shock absorbing or not, is 6 feet. However the shortest possible without interfering with work should be employed to minimize the possibility of a fall.