Exam (elaborations)
CWEA E1 Study Set exam questions with correct answers
- Course
- Institution
CWEA E1 Study Set exam questions with correct answers
[Show more]
Seller
Follow
Content preview
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.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Lectphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now