Exam (elaborations)
HAZWOPER 40: Lesson 7 Quiz
- Course
- Institution
HAZWOPER 40: Lesson 7 Quiz
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
HAZWOPER 40: Lesson 7 QuizThe two main types of positive-pressure respirators are pressure-demand
and: - -Continuous flow
-The assembly that has been approved by MSHA and NIOSH to protect
against organic vapors is tested against only a single challenge substance.
That substance is: - -
-Two types of fit tests can be performed. The first is a qualitative fir test,
which exposes the wearer to irritants (stannic chloride) or substances that
have distinctive odors or tastes. The second type of test is the: - -
-Cartridges usually attach directly to the respirator face-piece. The larger
volume canisters attach to the chin of the face-piece or are carried with a
harness and attached to the face-piece by: - -A breathing tube
-The Assigned Protection Factor (APF) is determined experimentally by
measuring face-piece seal and: - -Exhalation valve leakage
-Air-purifying respirators have limited use at hazardous waster sites and can
be used only when the ambient atmosphere contains sufficient oxygen that
is greater than (blank) percent. - -19.5
-The main disadvantage of negative-pressure respirators is that, if any leaks
develop, the user: - -Draws contaminated air into the face-piece during
inhalation
-A SAR is NOT recommended for entry into IDLH atmospheres unless the
apparatus is equipped with: - -An escape SCBA
-The combination system provides up to 60 minutes of self-contained air,
whereas the escape SCBA contains much less air, generally for how many
minutes? - -5 minutes
-In which type of respirator, is exhaled air recycled by removing the carbon
dioxide with an alkaline scrubber and by replenishing the consumed oxygen
with oxygen from a solid, liquid, or gaseous source? - -Closed-circuit SCBA
-
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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now