CONFINED SPACES EXAM QUESTIONS
WITH 100% CORRECT ANSWERS.
The entrant and attendant in all confined spaces operations must have
Current CPR and First aid certifications
Confined spaces is one that
is large enough and so configured that an employee can bodily enter and perform assigned work,
has limited or restricted means for entry or exit and is not designed for continuous employee
occupancy
Confined spaces are classified as
Non-Permit Confined Spaces and Permit-Required Confined Spaces.
What are the Non-Permit confined spaces
Basements, attics, crawl spaces, residential cellars
Permits and specific training are required if the confined space has
Contains or has potential to contain, a harzardous atmosphere, Contains a material that has the
potential for engulfing the worker, has an internal configuration such that a worker could be
trapped or asphyxiated by inwardly converging walls or smaller cross-section and Contains any
other recognized serious safety or health hazards
The surrounding and effective capture of a person by a liquid or substance possibly
causing death.
Engulfing
Asphyxiated
A condition resulting in death or unconsciousness caused by inadequate oxygen
What is the osha standards for working in confined spaces
OSHA 1910.146 (Permit-Required Confined Spaces)
, Permit-Required confined Spaces for General Industry became effective on
April 15, 1993
LEL
Lower explosive limit
LFL
Lower Flammable limit
Air monitor needs to check what
Oxygen, Combustible/Flammability, Hydrogen Sulfide, Carbon Monoxide
What are acceptable oxygen levels are from
19.5% to 23.5%
What are the suitable levels for LEL and LFL
Less than 10%
Hydrogen Sulfide must be lower than
10 PPM(parts per million)
Carbon Monoxide must be lower than
35 PPM (parts per million)
Air monitors equipment shall be examined how often
Prior to use
Air monitoring equipment need to have what all examined
Batteries, alarm settings, calibration dates and other manufactures specific items
Permit required confined spaces can only be reclassified if
The characteristics of the space have been altered or updated to corrected the element that
defined that space as a confined space
WITH 100% CORRECT ANSWERS.
The entrant and attendant in all confined spaces operations must have
Current CPR and First aid certifications
Confined spaces is one that
is large enough and so configured that an employee can bodily enter and perform assigned work,
has limited or restricted means for entry or exit and is not designed for continuous employee
occupancy
Confined spaces are classified as
Non-Permit Confined Spaces and Permit-Required Confined Spaces.
What are the Non-Permit confined spaces
Basements, attics, crawl spaces, residential cellars
Permits and specific training are required if the confined space has
Contains or has potential to contain, a harzardous atmosphere, Contains a material that has the
potential for engulfing the worker, has an internal configuration such that a worker could be
trapped or asphyxiated by inwardly converging walls or smaller cross-section and Contains any
other recognized serious safety or health hazards
The surrounding and effective capture of a person by a liquid or substance possibly
causing death.
Engulfing
Asphyxiated
A condition resulting in death or unconsciousness caused by inadequate oxygen
What is the osha standards for working in confined spaces
OSHA 1910.146 (Permit-Required Confined Spaces)
, Permit-Required confined Spaces for General Industry became effective on
April 15, 1993
LEL
Lower explosive limit
LFL
Lower Flammable limit
Air monitor needs to check what
Oxygen, Combustible/Flammability, Hydrogen Sulfide, Carbon Monoxide
What are acceptable oxygen levels are from
19.5% to 23.5%
What are the suitable levels for LEL and LFL
Less than 10%
Hydrogen Sulfide must be lower than
10 PPM(parts per million)
Carbon Monoxide must be lower than
35 PPM (parts per million)
Air monitors equipment shall be examined how often
Prior to use
Air monitoring equipment need to have what all examined
Batteries, alarm settings, calibration dates and other manufactures specific items
Permit required confined spaces can only be reclassified if
The characteristics of the space have been altered or updated to corrected the element that
defined that space as a confined space
