9/22/25, 5:45 AM CWEA E1 Study Set EXAM Questions & Answers | 100% Verified solutions |Questions with Correct Answers 2025 latest update!! Fl…
CWEA E1 Study Set EXAM Questions & Answers |
100% Verified solutions |Questions with Correct
Answers 2025 latest update!!
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Terms in this set (137)
A space that:
-is large enough to enter and work.
Confined Space
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
An employer's written authorization to perform work
Hot Work Permit
capable of providing a source of ignition.
A form of purging or ventilating a confined space
where an inert gas (such as nitrogen, carbon dioxide
or argon) is used to displace the atmosphere in a
Inerting
confined space to remove fire or explosion hazards.
Causes oxygen levels to become unstable for re-
entry.
19.5% to 23.5%
Oxygen Safe Zone Below 19.5=unsafe for breathing
Above 23.5=explosive
The part or area of a drawing to which a number, note
Leader Line or other reference applies. They are solid lines and
usually terminate in a single arrowhead.
Hydraulic Term: A construction in the bore of the pipe which requires
"Resistance" more pressure to pass the same amount of water.
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, 9/22/25, 5:45 AM CWEA E1 Study Set EXAM Questions & Answers | 100% Verified solutions |Questions with Correct Answers 2025 latest update!! Fl…
Hydraulic Term: Electric potential is equivalent to pressure and the
"Voltage" voltage (or voltage drop/potential difference) is the
(Assume water is flowing difference in pressure between two points.
horizontally so gravity isn't
a factor)
Hydraulic Term: Equivalent to a hydraulic volume flow rate; that is the
"Current" volumetric quantity of flowing water over time.
Current through a conductor between two points is
Ohm's Law directly proportional to the voltage across the two
points.
S.O.P. Standard operating procedure.
N.E.C. National Electrical Code.
N.F.P.A. National Fire Protection Association
NPT National pipe thread. Tapered pipe.
Displays negative AND positive pressure
Compound Gauge
measurements
Cat1 Meter Measures electronics
Cat2 Meter Measures single-phase receptacles.
Measures 3 phase distribution and single phase
Cat3 Meter
lighting equipment.
Measures 3 phase at utility connection and any
Cat4 Meter
outdoor connections.
L.O.T.O. Lock out tag out is an osha regulation.
3 elements needed to Heat, oxygen and fuel.
start a fire.
Class C fire. Electrical fire
What is Rust Combination of water, oxygen and iron.
https://quizlet.com/1080265916/cwea-e1-study-set-exam-questions-answers-100-verified-solutions-questions-with-correct-answers-2025-latest-updat… 2/14
CWEA E1 Study Set EXAM Questions & Answers |
100% Verified solutions |Questions with Correct
Answers 2025 latest update!!
Save
Terms in this set (137)
A space that:
-is large enough to enter and work.
Confined Space
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
An employer's written authorization to perform work
Hot Work Permit
capable of providing a source of ignition.
A form of purging or ventilating a confined space
where an inert gas (such as nitrogen, carbon dioxide
or argon) is used to displace the atmosphere in a
Inerting
confined space to remove fire or explosion hazards.
Causes oxygen levels to become unstable for re-
entry.
19.5% to 23.5%
Oxygen Safe Zone Below 19.5=unsafe for breathing
Above 23.5=explosive
The part or area of a drawing to which a number, note
Leader Line or other reference applies. They are solid lines and
usually terminate in a single arrowhead.
Hydraulic Term: A construction in the bore of the pipe which requires
"Resistance" more pressure to pass the same amount of water.
https://quizlet.com/1080265916/cwea-e1-study-set-exam-questions-answers-100-verified-solutions-questions-with-correct-answers-2025-latest-updat… 1/14
, 9/22/25, 5:45 AM CWEA E1 Study Set EXAM Questions & Answers | 100% Verified solutions |Questions with Correct Answers 2025 latest update!! Fl…
Hydraulic Term: Electric potential is equivalent to pressure and the
"Voltage" voltage (or voltage drop/potential difference) is the
(Assume water is flowing difference in pressure between two points.
horizontally so gravity isn't
a factor)
Hydraulic Term: Equivalent to a hydraulic volume flow rate; that is the
"Current" volumetric quantity of flowing water over time.
Current through a conductor between two points is
Ohm's Law directly proportional to the voltage across the two
points.
S.O.P. Standard operating procedure.
N.E.C. National Electrical Code.
N.F.P.A. National Fire Protection Association
NPT National pipe thread. Tapered pipe.
Displays negative AND positive pressure
Compound Gauge
measurements
Cat1 Meter Measures electronics
Cat2 Meter Measures single-phase receptacles.
Measures 3 phase distribution and single phase
Cat3 Meter
lighting equipment.
Measures 3 phase at utility connection and any
Cat4 Meter
outdoor connections.
L.O.T.O. Lock out tag out is an osha regulation.
3 elements needed to Heat, oxygen and fuel.
start a fire.
Class C fire. Electrical fire
What is Rust Combination of water, oxygen and iron.
https://quizlet.com/1080265916/cwea-e1-study-set-exam-questions-answers-100-verified-solutions-questions-with-correct-answers-2025-latest-updat… 2/14
