UPDATED Exam Questions and
CORRECT Answers
Propane tanks minimum distance apart - CORRECT ANSWER - 36"
Maximum cylinders installed in a manifold - CORRECT ANSWER -4
Tw meaning - CORRECT ANSWER - Tear Weight
Valves need what type of orifice - CORRECT ANSWER - Type 54
Vaporizer distance from ignition source or air intake - CORRECT ANSWER - 10'
Float/guage meter - CORRECT ANSWER - Cosmetic only. Not used for filling purposes
Vaporization capacity of a container - CORRECT ANSWER - Diameter X length X factor
Minimum working pressure of a cylinder and tank - CORRECT ANSWER -
240lbs=cylinder 250lbs=tank
2 types of vaporizers - CORRECT ANSWER - Direct and indirect
How to find weight in propane - CORRECT ANSWER - Water capacity X 0.42 ( 42% by
weight of w.c)
Propane amount of cylinder volume at 60*F - CORRECT ANSWER - 80% (occupies
whole cylinder at 130*F)