Ch11_SAFE 6019 - Confined Space Entry (Chp 11)

Question 1

Confined space entry rules apply where the work in progress may cause:

A) An accident
B) Too much noise to withstand
C) Equipment being used to become a hazard
D) The worker to refuse to perform his/her job
E) Moisture vapors to be released in the atmosphere

Answer 1

C) Equipment being used to become a hazard

Question 2

In a confined space, the O2 by volume level should not go below:

A) 35%
B) 30%
C) 25%
D) 20%
E) 40%

Answer 2

D) 20%

Question 3

A person attending to a worker in a confined space may leave their station:

A) To retrieve tools/equipment for the worker
B) Only when properly relieved by another qualified person
C) For ten minutes every hour
D) To summon help if the worker becomes unconscious
E) Only long enough to go to the washroom

Answer 3

B) Only when properly relieved by another qualified person

Question 4

When tests indicate harmful gases are present in a confined space where a worker must enter, he/she must:

A) Receive special permission from OH&S before entering
B) Wear a safety belt and line
C) Wait until the gases dissipate
D) Wear approved respiratory equipment
E) Make sure a worker is stationed outside to assist him/her in case of emergency

Answer 4

D) Wear approved respiratory equipment

Question 5

Before entering a confined space, the final step would be to:

A) Test the area for toxic gases
B) Issue a safe work agreement
C) Check the O₂ volume level
D) Check the structure for safety
E) Have a safety person at the entrance

Answer 5

B) Issue a safe work agreement

Question 6

Before entering any confined space, it is good practice to:

A) Estimate how long you will be there
B) Wear light clothing due to extreme temperatures in enclosed areas
C) Inform the plant manager of your whereabouts
D) Plan the entry using a confined entry check list
E) Verify the operator’s isolation points through the plant safety committee

Answer 6

D) Plan the entry using a confined entry check list

Question 7

Requirements for entry into confined spaces are governed by the:

A) Workers’ Compensation Act
B) Occupational Health and Safety Regulation
C) Provincial Fireman’s Regulations
D) Boiler and Pressure Vessels Regulations
E) Confined Space Entry Regulation

Answer 7

B) Occupational Health and Safety Regulation

Question 8

Confined space means any enclosed or partially enclosed space having:

A) No way out
B) Restricted entry and exit
C) Harmful gases, vapors, mists, or dusts
D) Limited room for tools and equipment
E) Elevated air temperatures

Answer 8

B) Restricted entry and exit