TSSA G3 Practice Exam 2025/2026 Exam Questions Marking Scheme New Update | A+ Rated

TSSA G3 Practice Exam 2025/2026 Exam
Questions Marking Scheme New Update
| A+ Rated



7. What is the ignition temperature of natural gas?

A) 1020 F

B) 1000F

C) 1300 F


D) 900 F - 🧠ANSWER ✔✔A) 1300°F


Explanation: Natural gas has an ignition temperature of around 1020°F.

This is the temperature at which it will ignite in the presence of oxygen.

8. What is the flame temperature of natural gas?

A) 1000F

B) 2025 F

C) 3500F


D) 3600 F - 🧠ANSWER ✔✔C) 3600°F

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, Explanation: When burned, natural gas can reach flame temperatures up to

approximately 3500°F.

11. What is the heating value of natural gas?

A) 2025 BTU

B) 1200 BTU

C) 3500 BTU


D) 1000 BTU - 🧠ANSWER ✔✔D) 1000 BTU


Explanation: The typical heating value of natural gas is approximately 1000

BTUs per cubic foot.

3. What is the relief pressure of a propane tank?

A) 250 Psig

B) 275 Psig

C) 350 Psig


D) 375 Psig - 🧠ANSWER ✔✔A) 375 Psig


Explanation: Propane tanks are commonly set with a relief pressure around

250 psi, which prevents excessive pressure buildup within the tank.

16. What are the products of complete combustion?

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