Exam (elaborations)
NAFA CAFS /Exam questions n answers graded A+ already passed
- Course
- Institution
NAFA CAFS /Exam questions n answers graded A+ already passed
[Show more]
Content preview
NAFA CAFS /Exam questions n answersgraded A+ already passed
What are the 3 types of media used in contaminate control - correct answer ✔✔Active carbon,
chemically treated carbon, potassium permanganate
What is residence time? - correct answer ✔✔the time it takes air to cross a distance equal to the
thickness of the filter without accounting for the resistance of the media through which it travels
What are the variations of the contamination control principle - correct answer ✔✔clean the air
required by the process, blanket the product with cleaned air, offer enough air flow to move
contaminated air away from the product
What is removal efficiency - correct answer ✔✔The fraction of the contaminate that once in contact
with the media is removed by either physical or chemical means
What is Capacity - correct answer ✔✔The amount the media is capable of removing - this determines
the life of the filter
What are two types of filter options - correct answer ✔✔partial bypass, total retention
What is the ASHRAE standard 62.1/62.2 - correct answer ✔✔Ventilation for acceptable indoor air quality
to specific minimum ventilation rates IAQ which will be acceptable to humans and are intended to avoid
adverse health effects
How many classifications of air is there? - correct answer ✔✔4
What are the IAQ testing applications - correct answer ✔✔Particulate contaminants, Gas phase, systems
integrity, comfort parameters
What are the control strategies - correct answer ✔✔Filtration, source removal, Dilution
, Min demonstrated overspray filter eff must be at least - correct answer ✔✔98%
What is the min eff for a Super ULPA - correct answer ✔✔99.9999% on MPPS
What are the factors affecting ESP design and efficiency - correct answer ✔✔partical size, velocity
through filter, voltage on ionizer and collector, collector plate spacing, collector plate loading, ionizer
spacing and ozone
What are the types of Microorganisms - correct answer ✔✔Virus, Bacteria, Fungi
A baghouse is composed of - correct answer ✔✔house, hoppers, tubesheet and plenum
A typical oil mist electrostatic presipitator has what sections (inlet to outlet) - correct answer ✔✔Baffle,
ionizer, collecting, fan and optional after filter
PCO has how many types of reactor configurations - correct answer ✔✔4
In the filter industry, a manometer is used to measure what? - correct answer ✔✔Pressure drop across
the filter
Airflow through a booth must be? - correct answer ✔✔high enough to keep the concentration of VOC
vapor below 25% of its lowest explosive limit
ULPA stands for? - correct answer ✔✔Ultimate low penetration Air Filter
Name the components of a HEPA filter - correct answer ✔✔Media, separators, filter pack, sealant,
framing, gasketing
What size particles behave like a gas, have negligible settling rates and are affected by Brownian Motion -
correct answer ✔✔Particals less than .1 microns
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 BravelRadon. 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)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now