Exam (elaborations)
OSHE 261 Exam Detailed Questions and Expert Answers
- Course
- OSHE 261
- Institution
- University Of California - Berkeley
OSHE 261 Exam Detailed Questions and Expert Answers
[Show more]
Content preview
OSHE 261 Exam Detailed Questions and ExpertAnswers
Reducing Agent - ANS almost always something that will burn (in other words,
fuel). Ex: Carbon
Fire - ANS Fire is heat and light from rapid combination of oxygen and other
materials.
For fire to exist... - ANS A combustible substance must be present, the
temperature must be high enough to cause combustion, and enough oxygen must
be present to sustain rapid combustion.
Oxidizing Agent - ANS is almost always oxygen (O2) in some form or another; iron
oxide because of its ability to give away oxygen.
Oxidant - ANS In most cases oxidant will be air
Flammable Range - ANS The (range of) composition of fuel-air mixture required for
combustion.
Flash Point - ANS The minimum temperature of a fuel, above which sufficient
vapor is generated to form an ignitable mixture vapor/air mixture.
, Ignition Temperature - ANS The minimum temperature to which a fuel/air mixture
must be heated in order to initiate, or cause, self-sustained combustion
independently of the heating element.
Flammable or Explosive Limits (Flammable Range) - ANS The extreme
concentration limits of a fuel with an oxidant through which flame, once initiated,
will continue to propagate at the specified temperature and pressure. ( LFL or LEL)
Fire Point - ANS The lowest temperature of a liquid fuel in an open container at
witch vapors are produced in sufficient quantity to support continuous
combustion... Usually only a few degrees above the flash point
Celsius Degree - ANS also a Centigrade
Oxidation - ANS A chemical reaction in which two materials (an oxidizing agent and
a reducing agent) combine to form a product which is less reactive than the parent
materials. (Carbon)
Heat of Combustion - ANS exothermic
Heat - ANS A measure of the quantity of energy contained by a material.
BTU - ANS British Thermal Unit
Conduction - ANS By direct physical contact from one body to another.
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 Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now