CWEA E1 Exam Study Guide ACTUAL EXAM 2025 TEST
COMPREHENSIVE QUESTIONS AND VERIFIED ANSWERS
(DETAILED & ELABORATED) 100% SOLVED 2025!!
Confined Space - ANSWER✔✔-A space that:
-is large enough to enter and work.
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
Hot Work Permit - ANSWER✔✔-An employer's written authorization to perform work
capable of providing a source of ignition.
Inerting - ANSWER✔✔-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.
Oxygen Safe Zone - ANSWER✔✔-19.5% to 23.5%
Below 19.5=unsafe for breathing
OLIVIA GREENWAYS© 2025, ALL RIGHTS RESRVED 1
,Above 23.5=explosive
Leader Line - ANSWER✔✔-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.
Hydraulic Term:
"Resistance" - ANSWER✔✔-A construction in the bore of the pipe which requires more
pressure to pass the same amount of water.
Hydraulic Term:
"Voltage"
(Assume water is flowing horizontally so gravity isn't a factor) - ANSWER✔✔-Electric
potential is equivalent to pressure and the voltage (or voltage drop/potential
difference) is the difference in pressure between two points.
Hydraulic Term:
"Current" - ANSWER✔✔-Equivalent to a hydraulic volume flow rate; that is the
volumetric quantity of flowing water over time.
Ohm's Law - ANSWER✔✔-Current through a conductor between two points is directly
proportional to the voltage across the two points.
S.O.P. - ANSWER✔✔-Standard operating procedure.
OLIVIA GREENWAYS© 2025, ALL RIGHTS RESRVED 2
, N.E.C. - ANSWER✔✔-National Electrical Code.
N.F.P.A. - ANSWER✔✔-National Fire Protection Association
NPT - ANSWER✔✔-National pipe thread. Tapered pipe.
Compound Gauge - ANSWER✔✔-Displays negative AND positive pressure
measurements
Cat1 Meter - ANSWER✔✔-Measures electronics
Cat2 Meter - ANSWER✔✔-Measures single-phase receptacles.
Cat3 Meter - ANSWER✔✔-Measures 3 phase distribution and single phase lighting
equipment.
Cat4 Meter - ANSWER✔✔-Measures 3 phase at utility connection and any outdoor
connections.
L.O.T.O. - ANSWER✔✔-Lock out tag out is an osha regulation.
3 elements needed to start a fire. - ANSWER✔✔-Heat, oxygen and fuel.
Class C fire. - ANSWER✔✔-Electrical fire
What is Rust - ANSWER✔✔-Combination of water, oxygen and iron.
Micrometer Torque Wrench does what when setting is reached? - ANSWER✔✔-Clicks.
OLIVIA GREENWAYS© 2025, ALL RIGHTS RESRVED 3
COMPREHENSIVE QUESTIONS AND VERIFIED ANSWERS
(DETAILED & ELABORATED) 100% SOLVED 2025!!
Confined Space - ANSWER✔✔-A space that:
-is large enough to enter and work.
-has limited or restricted means for entry.
-is not designed for continuous occupancy.
Hot Work Permit - ANSWER✔✔-An employer's written authorization to perform work
capable of providing a source of ignition.
Inerting - ANSWER✔✔-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.
Oxygen Safe Zone - ANSWER✔✔-19.5% to 23.5%
Below 19.5=unsafe for breathing
OLIVIA GREENWAYS© 2025, ALL RIGHTS RESRVED 1
,Above 23.5=explosive
Leader Line - ANSWER✔✔-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.
Hydraulic Term:
"Resistance" - ANSWER✔✔-A construction in the bore of the pipe which requires more
pressure to pass the same amount of water.
Hydraulic Term:
"Voltage"
(Assume water is flowing horizontally so gravity isn't a factor) - ANSWER✔✔-Electric
potential is equivalent to pressure and the voltage (or voltage drop/potential
difference) is the difference in pressure between two points.
Hydraulic Term:
"Current" - ANSWER✔✔-Equivalent to a hydraulic volume flow rate; that is the
volumetric quantity of flowing water over time.
Ohm's Law - ANSWER✔✔-Current through a conductor between two points is directly
proportional to the voltage across the two points.
S.O.P. - ANSWER✔✔-Standard operating procedure.
OLIVIA GREENWAYS© 2025, ALL RIGHTS RESRVED 2
, N.E.C. - ANSWER✔✔-National Electrical Code.
N.F.P.A. - ANSWER✔✔-National Fire Protection Association
NPT - ANSWER✔✔-National pipe thread. Tapered pipe.
Compound Gauge - ANSWER✔✔-Displays negative AND positive pressure
measurements
Cat1 Meter - ANSWER✔✔-Measures electronics
Cat2 Meter - ANSWER✔✔-Measures single-phase receptacles.
Cat3 Meter - ANSWER✔✔-Measures 3 phase distribution and single phase lighting
equipment.
Cat4 Meter - ANSWER✔✔-Measures 3 phase at utility connection and any outdoor
connections.
L.O.T.O. - ANSWER✔✔-Lock out tag out is an osha regulation.
3 elements needed to start a fire. - ANSWER✔✔-Heat, oxygen and fuel.
Class C fire. - ANSWER✔✔-Electrical fire
What is Rust - ANSWER✔✔-Combination of water, oxygen and iron.
Micrometer Torque Wrench does what when setting is reached? - ANSWER✔✔-Clicks.
OLIVIA GREENWAYS© 2025, ALL RIGHTS RESRVED 3
