Course: HET 130 Heating Residential Appliances

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Lab Assignment

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Week 3 Lab Assignment: Combustion and Fuels

Recommended Materials

1. Personal Protection Equipment
2. Acetylene/Oxy torch set
3. Work Gloves
4. Calculator

Scope

The student will discover how oxygen and fuel can be affected when mixed. The student will also convert Btu content from one fuel to a different fuel.

Procedures

1. Obtain an oxy/acetylene torch set.
2. Open the regulators.
3. Adjust the oxygen and fuel mixture until you get a normal flame (3 psi of pressure on both regulators).
4. Record what you witness.
5. Adjust the regulators with the oxygen set at 5 psi and the acetylene at 3 psi.
6. Record what you witness.
7. Adjust the Regulators with the oxygen set a 3 psi and the acetylene at 5 psi.
8. Record what you witness.

Research Questions

1. What is a neutral flame?
2. What is a carbonizing flame?
3. What is an oxidizing flame?
4. How can a technician know that he/she has the proper flame for brazing?
5. Convert 1,500 watts into Btu’s.
6. Convert 3.5 gallons of #2 fuel oil into Btu’s.
7. Convert 75,000 Btu’s of natural gas into Therms.

Click on the file below to download the Lab Assignment
- HET 130 Wk 3 Lab.docx (16.93 KB)