Showing 1–2 of 2

Q1.LPG is mixture of?

Hard
A Propane and Butane
B Butane and Oxygen
C Oxygen and Carbon
D None of the above
Fuels PPSC 2026

Correct Answer: A

Q2.Which fuel is used in gas welding?

Medium
A Acetylene
B Methane
C Ethylene
D None of these
Fuels CSS 2026

Correct Answer: A

Acetylene gas, burned with oxygen, is commonly used as fuel in gas (oxy-acetylene) welding.