100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
EPA 608 TYPE 2 TEST ACTUAL EXAM $17.99   Add to cart

Exam (elaborations)

EPA 608 TYPE 2 TEST ACTUAL EXAM

 2 views  0 purchase
  • Course
  • Institution
  • Book

EPA 608 TYPE 2 TEST ACTUAL EXAM

Preview 2 out of 8  pages

  • September 29, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
avatar-seller
EPA 608 TYPE 2 TEST ACTUAL EXAM
Technicians maintaining, servicing, repairing or disposing of high pressure or very
high-pressure appliances, except small appliances and MVAC, must be certified
either as a Universal Technician or a ______ ___. - ANSWER: Type 2

After the installation of any type of system, the unit should be pressurized with
_____ and _____ checked. - ANSWER: nitrogen leak

Nitrogen is an ______ gas. - ANSWER: inert

In order to determine the general area of a leak, technicians should use a _____ or
_____ leak detector. - ANSWER: electronic ultrasonic

After locating the general area of a leak, ______ ______ are used to pinpoint it. -
ANSWER: soap bubbles

A refrigeration unit using an open compressor that has not been used in several
months is likely to leak from the rotating shaft ______. - ANSWER: seal

During a visual inspection of any type of system, _____ of _____ are an indicator of a
refrigerant leak. - ANSWER: traces oil

Excessive ________, caused by a low refrigerant charge, is an indication of a leak in a
high-pressure system. - ANSWER: superheat

A low ______ _______ may be the cause of excessive superheat in a high-pressure
system. - ANSWER: refrigerant charge

Epa regulations require that all comfort cooling appliances containing more than
_____ lbs. of refrigerant MUST be repaired when the annual leak rate exceeds _____
%. - ANSWER: 50 15

Epa regulations require that all commercial and industrial process refrigeration
systems containing more than _____ lbs. of refrigerant MUST be repaired when the
annual leak rate exceeds _____ %. - ANSWER: 50 35

Recovered refrigerants may contain _____, moisture, and oil. - ANSWER: acids

Recovered refrigerants may contain acids, ______, and oil. - ANSWER: moisture

Recovered refrigerants may contain acids, moisture, and ________. - ANSWER: oil

Because of the acids, moisture, and oil that may be in recovered refrigerants, it is
necessary to frequently check and change both the _____ and _____ on recycling
machines. - ANSWER: oil filter

, Recycling and Recovery machines using ______ compressors may overheat when
pulling a deep vacuum. - ANSWER: hermetic

Recycling and Recovery machines using hermetic compressors may overheat when
pulling a deep vacuum because the unit relies on the flow of ______ through the
compressor for ______. - ANSWER: refrigerant cooling

Before using a recovery unit, you should always check the _______ _______
_______, the oil level of the unit, and evacuate and recover any remaining
refrigerant in the unit's receiver. - ANSWER: service valve positions

Before using a recovery unit, you should always check the service valve positions, the
_____ _____ of the unit, and evacuate and recover an remaining refrigerant in the
unit's receiver. - ANSWER: oil level

Before using a recovery unit, you should always check the service valve positions, the
oil level of the unit and evacuate and recover an remaining refrigerant in the unit's
________. - ANSWER: receiver

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must ______ the recover/recycle equipment by recovering as
much of the first refrigerant as possible, change the filter, and evacuate. Exception:
technicians working with R - 134 A. - ANSWER: purge

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must purge the recover/recycle equipment by ______ as much
of the first refrigerant as possible, change the filter, and evacuate. Exception:
technicians working with R - 134 A. - ANSWER: recovering

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must purge the recover/recycle equipment by recovering as
much of the first refrigerant as possible, change the ______, and evacuate.
Exception: technicians working with R - 134 A. - ANSWER: filter

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must purge the recover/recycle equipment by recovering as
much of the first refrigerant as possible, change the filter, and ______. Exception:
technicians working with R - 134 A. - ANSWER: evacuate

Recovering refrigerant in the vapor phase will minimize the ______ of oil. - ANSWER:
loss

Recovering refrigerant in the ______ phase can ______ recovery time. - ANSWER:
liquid reduce

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 salopchemay. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $17.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

71498 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$17.99
  • (0)
  Add to cart