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 igniti...
CWEA E1 Study Set Questions with 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.
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.
Class C fire. Correct Answer - Electrical fire
What is Rust Correct Answer - Combination of water, oxygen and iron.
Micrometer Torque Wrench does what when setting is reached? Correct Answer -
Clicks.
V.F.D. Correct Answer - Variable frequency drive used for AC motor speed in
hertz.
Bourdon Tube Gauge shape Correct Answer - C shaped.
1 PSI = ? feet of water. Correct Answer - 2.31
Partial Flume Correct Answer - A device used to measure the flow in an open
channel. The flume narrows to a throat of fixed dimensions and then expands
again. The rate of flow can be calculated by measuring the difference in head
(pressure) before and at the throat of the flume.
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