Exam (elaborations)
NATE Heat Pump Practice Exam – Q/A
- Institution
- NATE Heat Pump Practice Exam – Q/A
NATE Heat Pump Practice Exam – Q/A
[Show more]
Content preview
NATE Heat Pump Practice Exam – Q/ACharging a heat pump with refrigerant is best accomplished in the _______
mode.
A: Heating mode
B: Cooling mode
C: Defrost mode
D: Emergency heating mode - -B: Cooling mode
-Heat pumps can provide both heating in the winter and cooling in the
summer. In which mode is the heat pump more efficient?
A: Heating mode
B: Cooling mode
C: Defrost mode
D: Emergency heating mode - -A: Heating mode
-Which of the following components is exclusive to the heat pump?
A: Condenser
B: Oil separator
C: Reversing valve
D: Accumulator - -C: Reversing valve
-Which of the following airflow rates is the most reasonable for a heat pump
system operating in the heating cycle?
A: 200 cfm per ton
B: 300 cfm per ton
C: 400 cfm per ton
D: 450 cfm per ton - -D: 450 cfm per ton
, -During the heat pump's cooling cycle, the outdoor coil is utilized as a
_________ while the indoor coil is utilized as a____________.
A: Condenser, evaporator
B: Evaporator, condenser
C: Compressor, accumulator
D: Accumulator, condenser - -A: Condenser, evaporator
-Heat is present in winter outdoor air until the outside air ambient
temperature reaches a low temperature of:
A: 0 degrees F
B: 32 degrees F
C: 273 degrees F
D: -459 degrees F - -D: -459 degrees F
Technically this is true, but not practical. A heat pump is doing good to
continue to work below 10 deg F.
-The heat pump utilizes:
A: Two filter-driers with check valves
B: One bi-flow filter-drier
C: A single mono-flow filter-drier in the liquid line
D: Some use the bi-flow filter-drier and others use two filter-driers with
check valves - -D: Some use the bi-flow- filter-drier and others use two filter-
driers with check valves
-The correct way to size a heat pump is to perform both heating and cooling
load calculations and select the heat pump size by:
A: Adding the heating load and cooling loads
B: Subtracting the smaller load from the larger load
C: Using the heating load to size the system
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 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 £9.90. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now