Question

the maximum line pressure for acetylene is
select one:
a. 15 p.s.i.
b. 30 p.s.i.
c. 10 p.s.i.
d. 20 p.s.i.

Explanation:

In the context of engineering (a subfield of Natural Science) related to gas handling, the maximum line pressure for acetylene is a known safety standard. The correct maximum line pressure for acetylene is 15 P.S.I. due to its chemical properties and safety regulations.

Answer:

a. 15 P.S.I.