Exam (elaborations)
Nate Heat Pump Pretest – Q’s And A’s
- Course
- Institution
Nate Heat Pump Pretest – Q’s And A’s
[Show more]
Seller
Follow
Studyhall
Reviews received
Content preview
Nate Heat Pump Pretest – Q’s And A’sOne advantage of a self-purging recovery machine is to ✔️Ans - Purge
itselfof most refrigerant after use
The component used to reduce sound transmission and prevent water leaks of
a packaged heat pump installed on a roof is the ✔️Ans - Curb gasket
Which condition is the most important consideration when installing metal
supply ductwork in an unconditioned crawlspace ✔️Ans - Insulate the
ductwork and wrap with a vapor barrier
Air that remains in the refrigerant circuit of a heat pump because of a poor
evacuation will cause ✔️Ans - High condensing pressures with loss of
capacity
A packaged heat pump in a two story installation is to be located at ground
level with ductwork running up the outside wall to a chase in the second floor.
What precautions need to be taken with the outside ductwork ✔️Ans - It
must be insulated and weather proofed
To more accurately sense the temperature of horizontal suction lines that are
1 and an 1 ⅛ inch or larger, TEV sensing bulb should be mounted at which of
the following positions ✔️Ans - 4 or 8 O'Clock
What is the maximum acceptable supply voltage tolerance for a 120 volt
circuit ✔️Ans - +/- 10%
When checking that a heat pump thermostat is operating properly in heating,
the tech should confirm that the thermostat's first stage switches on the
✔️Ans - Compressor and the second stage calls for auxiliary heat
A heat pump operates normally in first stage heating. The first stage bulbs
appear to be calling, the compressor continues to run, but the auxiliary
electric heat does not come on. What could be a likely source of the problem
✔️Ans - The second stage heating circuit us open
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 Studyhall. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81531 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now