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CWEA E1 Study Set exam questions with correct answers
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CWEA E1 Study Set exam questions with correct answers
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CWEA E1 Study Set exam questionswith correct answers
Confined Space - correct 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 - correct answer -An employer's written authorization to perform work capable of
providing a source of ignition.
Inerting - correct 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 - correct answer -19.5% to 23.5%
Below 19.5=unsafe for breathing
Above 23.5=explosive
Leader Line - correct 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" - correct 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) - correct 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" - correct answer -Equivalent to a hydraulic volume flow rate; that is the volumetric quantity of
flowing water over time.
Ohm's Law - correct answer -Current through a conductor between two points is directly proportional to
the voltage across the two points.
S.O.P. - correct answer -Standard operating procedure.
N.E.C. - correct answer -National Electrical Code.
N.F.P.A. - correct answer -National Fire Protection Association
NPT - correct answer -National pipe thread. Tapered pipe.
Compound Gauge - correct answer -Displays negative AND positive pressure measurements
Cat1 Meter - correct answer -Measures electronics
Cat2 Meter - correct answer -Measures single-phase receptacles.
Cat3 Meter - correct answer -Measures 3 phase distribution and single phase lighting equipment.
Cat4 Meter - correct answer -Measures 3 phase at utility connection and any outdoor connections.
L.O.T.O. - correct answer -Lock out tag out is an osha regulation.
3 elements needed to start a fire. - correct answer -Heat, oxygen and fuel.
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