Multiple Choice Question (MCQ)

Question: What is the range of pressure used in an oxygen cylinder used in gas welding?
A. 120 to 150 Kg/cm<sup>2</sup>
B. 110 to 150 Kg/cm<sup>2</sup>
C. 100 to 150 Kg/cm<sup>2</sup>
D. 90 to 150 Kg/cm<sup>2</sup>
Correct Answer: 120 to 150 Kg/cm<sup>2</sup>