101K Flashcards
1
Q
Flares are always
A
45°
2
Q
Annealed copper is
A
Soft
3
Q
Pure acetylene is
A
Highly flammable, colorless fuel gas with a non pungent odor
4
Q
Acetylene regulators drop the pressure from
A
250 to 15
5
Q
Street ell fitting both sides are
A
Different
Male+ female
6
Q
Throw- thread engagement =
A
Fitting allowance
7
Q
Brazing using filler metals melt at temperatures ranging from
A
1100°F- 1500°F
