CWEA E1 Study Set (2025/2026 Newest Update) Actual
Exam Questions with Verified Answers A+ Graded ||100%
Guaranteed A+
Confined Space
Ans: A space that:
-is large enough to enter and work.
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
Quiz Hot Work Permit
Ans: An employer's written authorization to perform work capable of providing a source of
ignition.
Quiz Inerting
Ans: 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 confined space to remove fire
or explosion hazards. Causes oxygen levels to become unstable for re-entry.
,Quiz Oxygen Safe Zone
Ans: 19.5% to 23.5%
Below 19.5=unsafe for breathing
Above 23.5=explosive
Quiz Leader Line
Ans: The part or area of a drawing to which a number, note or other reference applies. They are
solid lines and usually terminate in a single arrowhead.
Quiz Hydraulic Term:
"Resistance"
Ans: A construction in the bore of the pipe which requires more pressure to pass the same
amount of water.
Quiz Hydraulic Term:
"Voltage"
(Assume water is flowing horizontally so gravity isn't a factor)
Ans: Electric potential is equivalent to pressure and the voltage (or voltage drop/potential
difference) is the difference in pressure between two points.
Quiz Hydraulic Term:
, "Current"
Ans: Equivalent to a hydraulic volume flow rate; that is the volumetric quantity of flowing water
over time.
Quiz Ohm's Law
Ans: Current through a conductor between two points is directly proportional to the voltage
across the two points.
Quiz S.O.P.
Ans: Standard operating procedure.
Quiz N.E.C.
Ans: National Electrical Code.
Quiz N.F.P.A.
Ans: National Fire Protection Association
Quiz NPT
Ans: National pipe thread. Tapered pipe.
Exam Questions with Verified Answers A+ Graded ||100%
Guaranteed A+
Confined Space
Ans: A space that:
-is large enough to enter and work.
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
Quiz Hot Work Permit
Ans: An employer's written authorization to perform work capable of providing a source of
ignition.
Quiz Inerting
Ans: 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 confined space to remove fire
or explosion hazards. Causes oxygen levels to become unstable for re-entry.
,Quiz Oxygen Safe Zone
Ans: 19.5% to 23.5%
Below 19.5=unsafe for breathing
Above 23.5=explosive
Quiz Leader Line
Ans: The part or area of a drawing to which a number, note or other reference applies. They are
solid lines and usually terminate in a single arrowhead.
Quiz Hydraulic Term:
"Resistance"
Ans: A construction in the bore of the pipe which requires more pressure to pass the same
amount of water.
Quiz Hydraulic Term:
"Voltage"
(Assume water is flowing horizontally so gravity isn't a factor)
Ans: Electric potential is equivalent to pressure and the voltage (or voltage drop/potential
difference) is the difference in pressure between two points.
Quiz Hydraulic Term:
, "Current"
Ans: Equivalent to a hydraulic volume flow rate; that is the volumetric quantity of flowing water
over time.
Quiz Ohm's Law
Ans: Current through a conductor between two points is directly proportional to the voltage
across the two points.
Quiz S.O.P.
Ans: Standard operating procedure.
Quiz N.E.C.
Ans: National Electrical Code.
Quiz N.F.P.A.
Ans: National Fire Protection Association
Quiz NPT
Ans: National pipe thread. Tapered pipe.
