CONFINE SPACE EXAM 2 QUESTIONS
WITH 100% CORRECT ANSWERS.
What is a confined space p.11
1. Whole Body can enter space
2. Not designed for continuous employee occupancy
3. Limited means of entry/egress
What are the acceptable O2 concentrations within a confined space? p.5
19.5% up to 23.5%
For combustion to occur what must be present? p.5
Fuel, Oxygen, Heat
The process by which a liquid or finely divided solid substance surrounds and traps a
person is known as what? p.8
Engulfment
The UFL and LFL for gasoline is ? p.7
Gasoline: UFL 7.6% - LFL 1.4%
The UFL and LFL for acetylene is ? p.7
Acetylene: UFL 100% - LFL 3%
Code of Federal Regulations (CFR) p.2
the rules and regulations for different federal government departments and agencies as published
in the Federal Register
Calibrated (p.7)
the condition of a measuring instrument after its graduations have been checked or corrected
Hot work (p.10)
activity that creates heat, flame, sparks, or other heat sources that can ignite nearby fuels
, Who is in charge of a confined space entry?
confined space supervisor P.18
Combustible gas indicators tell you the percentage of combustible gas in air. T/F
False / CGI detects the LFL% of the gas that it is calibrated with
The CGI is meant to detect the ______ of the gas with which it is calibrated
LFL
What levels of a confined space should you monitor before entry?
top, bottom, middle
If you are attempting a rescue in a confined space that has a clean agent fire-protection
system, would you automatically lock out and tag out the system? p.104
yes - never use during CS rescue bc the same lack of O2 that will prevent ignition will also
asphyxiate a victim
How does "churning" of the air during ventilation affect the effectiveness of the ventilation
of the ventilation operation? p.99
air that is churning does not contribute to ventilating the space
To manage an emergency operation, the IMS is designed to address what?
Safety, Unity of Command and Span of Control
Define - Class A Confined Space (p.198) is a Permit Req. Space and Hazards require
immediate rescue of victims, Where must an approved rescue team be
An approved rescue team must be ON Location at entry point
Define - Class B Confined Space (p.199) Is a Permit Required space & Hazards require
immediate rescue of victims. Can the Attendant make rescues? if so how?
Yes they can - An attendant can perform rescue from OUTSIDE the space
Define - Class C Confined Space (p.200) Does this require a Permit?
WITH 100% CORRECT ANSWERS.
What is a confined space p.11
1. Whole Body can enter space
2. Not designed for continuous employee occupancy
3. Limited means of entry/egress
What are the acceptable O2 concentrations within a confined space? p.5
19.5% up to 23.5%
For combustion to occur what must be present? p.5
Fuel, Oxygen, Heat
The process by which a liquid or finely divided solid substance surrounds and traps a
person is known as what? p.8
Engulfment
The UFL and LFL for gasoline is ? p.7
Gasoline: UFL 7.6% - LFL 1.4%
The UFL and LFL for acetylene is ? p.7
Acetylene: UFL 100% - LFL 3%
Code of Federal Regulations (CFR) p.2
the rules and regulations for different federal government departments and agencies as published
in the Federal Register
Calibrated (p.7)
the condition of a measuring instrument after its graduations have been checked or corrected
Hot work (p.10)
activity that creates heat, flame, sparks, or other heat sources that can ignite nearby fuels
, Who is in charge of a confined space entry?
confined space supervisor P.18
Combustible gas indicators tell you the percentage of combustible gas in air. T/F
False / CGI detects the LFL% of the gas that it is calibrated with
The CGI is meant to detect the ______ of the gas with which it is calibrated
LFL
What levels of a confined space should you monitor before entry?
top, bottom, middle
If you are attempting a rescue in a confined space that has a clean agent fire-protection
system, would you automatically lock out and tag out the system? p.104
yes - never use during CS rescue bc the same lack of O2 that will prevent ignition will also
asphyxiate a victim
How does "churning" of the air during ventilation affect the effectiveness of the ventilation
of the ventilation operation? p.99
air that is churning does not contribute to ventilating the space
To manage an emergency operation, the IMS is designed to address what?
Safety, Unity of Command and Span of Control
Define - Class A Confined Space (p.198) is a Permit Req. Space and Hazards require
immediate rescue of victims, Where must an approved rescue team be
An approved rescue team must be ON Location at entry point
Define - Class B Confined Space (p.199) Is a Permit Required space & Hazards require
immediate rescue of victims. Can the Attendant make rescues? if so how?
Yes they can - An attendant can perform rescue from OUTSIDE the space
Define - Class C Confined Space (p.200) Does this require a Permit?
