Acetylene is generated from which combination of ingredients?
A) calcium carbide and acetone
B) calcium carbide and MAPP gas
C) calcium carbide and helium
D) calcium carbide and water
Correct Answer:
Verified
Q22: Spot welding requires electric current and
A)a suitable
Q23: For which of the following is grease
Q24: A principal disadvantage of spot welding operations
Q25: A principal advantage of resistance welding operations
Q26: The maximum permissible pressure for acetylene in
Q28: A principal purpose of the flux in
Q29: Which of the following is an inerting
Q30: A principal advantage of seam welding operations
Q31: A principal disadvantage of resistance welding operations
Q32: Which of the following welding operations requires
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