Confined Space Entry

Question 1

Confined space means only enclosed or partially enclosed
space having
a) harmful gases, vapours, mist, or dust
b) no way out
c) limited room for tools and equipment
d) elevated air temperatures
e) restricted entry and exit

Answer 1

e) restricted entry and exit

Question 2

One of the least common places to find a confined space would
be in a
a) pulp mill
b) grain elevator
c) power plant
d) person's home
e) brewery

Answer 2

d) person’s home

Question 3

Confined space entry will apply to areas which lack

a) ambient air temperatures
b) proper lighting
c) proper air ventilation
d) a simple means of entry
e) sufficient space for a man to enter

Answer 3

c) proper air ventilation

Question 4

Requirements for entry into confined spaces is governed by
the
a) Occupational Health and Safety Regulation
b) Boiler and Pressure Vessels Regulation
c) Workers’ Compensation Act
d) Provincial Firemans Regulation
e) Confined Space Entry Regulation

Answer 4

a) Occupational Health and Safety Regulation

Question 5

Confined space entry rules apply where the work in progress
may cause
a) too much noise to withstand
b) equipment being used to become a hazard
c) the worker to refuse to perform his job
d) an accident
e) moisture vapours to be released in the atmosphere

Answer 5

b) equipment being used to become a hazard

Question 6

The minimum level of oxygen in a confined space area is

a) 8%
b) 10%
c) 15%
d) 18%
e) 20%

Answer 6

e) 20%

Question 7

A confined space may easily become a

a) difficult place to manoeuvre in
b) breeding ground for biohazardous infectious substances
c) noisy entrapment
d) healthy environment
e) life threatening environment

Answer 7

e) life threatening environment

Question 8

A worker in a confined space that is being ventilated also
requires
a) a self-contained breathing apparatus
b) an approved fire extinguisher
c) permission from OH&S to be there
d) to be in communication with another worker nearby
e) constant monitoring of the oxygen

Answer 8

d) to be in communication with another worker nearby

Question 9

A person attending to a worker in a confined space may leave
his or her station
a) to retrieve tools or equipment for the worker
b) only long enough to go to the washroom
c) only when properly relieved by another qualified person
d) for ten minutes every hour
e) to summon help if the worker becomes unconscious

Answer 9

c) only when properly relieved by another qualified person

Question 10

Before entering any confined space, it is good practice to
a) wear light clothing due to extreme temperatures in
enclosed areas
b) plan the entry using a confined entry space check list
c) estimate how long you will be there
d) inform the Plant Manager of your whereabouts
e) verify the operator’s isolation points through the Plant
Safety Committee

Answer 10

b) plan the entry using a confined entry space check list

Question 11

When tests indicate harmful gases are present in a confined
space where a worker must enter, he or she must
a) wear approved respiratory protective equipment
b) wait until the gases dissipate
c) receive special permission from OH&S before entering
d) wear a safety belt and lifeline
e) make sure a worker is stationed outside to assist in case
of emergency

Answer 11

a) wear approved respiratory protective equipment