____ is used in tips having from one to six preheat holes.
A) Acetylene
B) MPS
C) Propane
D) Natural gas
Correct Answer:
Verified
Q12: Sunglasses or other dark shaded glasses are
Q13: Combination torches are usually longer and have
Q14: A good oxyacetylene cut should not only
Q15: If a cut is to be started
Q16: Too slow a cutting speed results in
Q18: An excessive amount of preheat flame results
Q19: An injector-type torch must be used if
Q20: Too fast a cutting speed results in
Q21: The _ temperature of a material is
Q22: Most cutting tips are made of _
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