Acetylene is unstable at pressures above ____ psig.
A) 30
B) 50
C) 70
D) 100
Correct Answer:
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Q10: Which of the following determines the amount
Q11: The final products of all clean-burning hydrocarbon
Q12: Acetylene is unstable at temperatures above _
Q13: The heat produced by the secondary flame
Q14: Acetylene is produced by mixing _.
A) acetyl
Q16: Hydrocarbons are made up of _.
A) hydrogen
Q17: The mixing chamber may be located in
Q18: Of the following fuel gases, which has
Q19: Of the following fuel gases, which has
Q20: The _ determines the thickness of the
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