A. Oxygen, hydrogen and nitrogen
B. Oxygen, hydrogen, acetylene and nitrogen
C. Oxygen, acetylene and argon
D. Oxygen and acetylene
Home MCQs General Knowledge MCQs Quiz Gases used in different types of welding would include’s _______?
A. Oxygen, hydrogen and nitrogen
B. Oxygen, hydrogen, acetylene and nitrogen
C. Oxygen, acetylene and argon
D. Oxygen and acetylene