WorksheetsSWCSO - Supervise Confined Space Operation
Total questions: 20
Worksheet time: 8mins
What are the requirements of gas testing if there are 2 or more persons present in the confined space?
Periodic gas testing
One of the person continuously monitors the atmosphere with a gas detector
Gas testing before and after entrance
Gas testing every 10 minutes
What is confined space?
Area which is open air
Area Which have limited entrance and not enough ventilation
Which one is not confined space?
Tank
Container
Silos
Canteen
Which of the following statement is incorrect?
Our senses are not reliable indicators of the presence of toxic or explosive substances in a confined space
Confined space training must be conducted by a competent person
Confined space entry permit system is an engineering means of managing the risk of confined space operations
Severity of accidents can be reduced by a well-rehearsed rescue plan
What permit is required to apply for Confined space work activites?
Work at Height Permit
Excavation Permit
Hot work permit
Confined Space Entry Permit
Which of the following competes with oxygen to bind with haemoglobin?
Carbon monoxide
Hydrogen sulphide
Hydrogen cyanide
Carbon dioxide
Who is supposed to continuously monitor the works being done by an Worker in the Confined space?.
Manager
Assessor
Worker
Confined Space safety Attendant
Atmospheric oxygen levels below _______ at level is considered as hazardous atmosphere in confined space.
19.5 %
21.0 %
23.0 %
22.0%
You do not need to test the atmosphere before you enter the confined space?
True
False
All of the above
None of the above
The most important characteristic of a confined space entry attendant is _______.
Competent
strong
alert
none of the above
Which of the following is classified as a Confined Space Accident?
Inhalation of Toxic gas
Fire or Explosion
Falling in to opening
All of the above
Which are the four factors to be considered for effective confined space rescue?
Time, PPE, space, oxygen level
Victim, PPE, toxic gas, competency
Time. Victim, space, rescuer
Space, rescuer, money, permit
Which one is not confined space?
Tank
Container
Silos
Canteen
Typical examples of administrative controls for confined space includes:
Training and purging
Ventilation, job rotations
Confined space entry procedures, permit to work system
Wearing respirators, safety talks
How often should confined space rescue drill be carried out?
As and when necessary
Once every 2 years
At least once a year
At least once every 6 months
The hazards that must be tested for in a confined space?
Oxygen content
Flammable Gas
Toxic Gas
All of the above
Removal of expansion join in piping followed by blanking or capping its open end, is an example of _____________
Purging
Isolation
De-energising
Line breaking
What is confined space?
Area which is open air
Area Which have limited entrance and not enough ventilation
Confined space is an area which has limited entry/exit access?
True
False
All of the above
None of the above
What are the 4 stages of confined space entry permit?
Identification, evaluation, issuance, posting
Identification, evaluation, issuance, recording
Application, controls, issuance, recording
Application, evaluation, issuance, posting
