NATE ICE Heat Pump exam with correct
answers
A correct statement regarding the outdoor coil of a heat pump is that damage may
result if the: - correct answer -defrost water does not drain from the coil.
A dirty air filter in a heat pump operating in the heating mode could result in: -
correct answer -excessive head pressure.
A dirty air filter on a heat pump system will result in: - correct answer -high head
pressure in the heat mode and low suction pressure in the cool mode.
A fan delay can add cooling efficiency by: - correct answer -operating the indoor
blower after compressor shut-down
A heat pump that uses a piston-type metering device on the indoor coil has a piston
with a larger-than-recommended orifice. This will result in: - correct answer -low
head pressure and high suction pressure in the cooling cycle.
A new 3-ton heat pump installation has an undersized return air duct. In the heating
mode, the unit will most likely: - correct answer -go off on high pressure safety.
A technician has just installed a heat pump. It heats satisfactorily, but will not cool.
A possible cause of this problem is the: - correct answer -indoor check valve is stuck
open
An electric furnace has four 5-kW elements that are rated at 240V. The available
voltage to operate the furnace is 208V. Which of the following indicates the effect
that this will have on the BTUH output of the furnace? - correct answer -it will
reduce the BTUH output of the furnace.
An electric furnace is controlled by a single-stage thermostat. On a call for heat, all
connected circuits function properly; however, the heat rise across the furnace is
much lower than design requirement. Which one of the following actions should the
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 Lectphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.