Exam (elaborations)
NATE Gas Heating Exam – Questions With Solutions
NATE Gas Heating Exam – Questions With Solutions
[Show more]
Content preview
NATE Gas Heating Exam – Questions WithSolutions
Since 1992, the United States Department of Energy has required that all
furnaces sold and installed from that date on must have an AFUE of no less
than:
A: 70%
B: 75%
C: 78%
D: 80% Correct Answer - C: 78%
Many pre-1992 furnaces have efficiencies around _______.
A: 10%
B: 40%
C: 60%
D: 80% Correct Answer - C: 60%
Today, furnaces with AFUE ratings greater than _____ are available.
A: 85%
B: 90%
C: 100%
D: 110% Correct Answer - B: 90%
A thermocouple is used with:
A: Intermittent pilot systems
, B: Direct spark ignition systems
C: Glow coil ignition systems
D: Standing pilot ignition systems Correct Answer - D: Standing pilot
ignition systems
The purpose of the gas pressure regulator is to:
A: Keep the color of the flame constant
B: Keep the high limit switch from tripping
C: Maintain a constant gas pressure at the burner
D: Allow the gas valve to operate smoothly and accurately Correct Answer
- C: Maintain a constant gas pressure at the burner
The instrument used to measure outlet gas pressure is the:
A: Velometer
B: Anemometer
C: Monometer
D: Draft gauge Correct Answer - C: Monometer
The regulator on a natural gas furnace should be adjusted to supply _____
inches of pressure at the burners.
A: 11"
B: 10"
C: 3.5"
D: 2" Correct Answer - C: 3.5"
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 CA$19.33. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78998 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now