Question 1
Approximately how many BTU of heat does one gallon of No. 2 fuel oil contain?
Correct Answer:
140,000 BTU
Question 2
The three elements required to support combustion are commonly called the fire triangle. Which three are they?
Correct Answer:
Fuel, oxygen, and heat
Question 3
No. 2 fuel oil is primarily composed of which two elements that release heat when burned?
Correct Answer:
Carbon and hydrogen
Question 4
What is the purpose of excess air in an oil burner combustion process?
Correct Answer:
To ensure enough oxygen is present for complete combustion of all fuel
Question 5
Incomplete combustion of fuel oil most directly produces which dangerous gas?
Correct Answer:
Carbon monoxide (CO)
Question 1
Exam overview

About this Exam

Prepare with the NATE Oil Service Practice Questions - NATE Oil Heating (Air) Service Specialty Exam practice quiz. This question bank includes 100 questions covering burner, fuel, control, nozzle, and primary. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NATE Oil Service Practice Questions - NATE Oil Heating (Air) Service Specialty Exam

This practice set contains 100 questions from the matching question bank and focuses on burner, fuel, control, nozzle, and primary. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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