A cylinder has the following markings: WC 47.7 pounds, TW 28 pounds. When this
cylinder is properly filled with propane, it's gross ( total filled ) weight would be
______________
A. 70 lb
B. 75.7 lb
C. 48 lb
D. 31.8 lb - correct answer-C. 48 lb
A DOT rated propane cylinder has a WC rating of 120 pounds. How many pounds of
propane can safely be stored in this container?
A. 50
B. 100
C. 96
,D. 80 - correct answer-A. 50
A liquid substance with a specific gravity of .805 is ( LIGHTER ) ( HEAVIER ) than
liquid propane. - correct answer-HEAVIER
A mixture of 1.5% gas - 98.5% air ( WILL ) ( WILL NOT ) burn - correct answer-WILL
NOT
A mixture of 12% gas - 88% air ( WILL ) ( WILL NOT ) burn - correct answer-WILL
NOT
A mixture of 5% gas - 95% air ( WILL ) ( WILL NOT ) burn - correct answer-WILL
A propane burner were operating with the ideal combustion ratio, as additional air is
introduced to the combustion process, the burn would be increasingly ( RICH ) (
LEAN ) - correct answer-Lean
A simple "sniff test" can be used to detect the odorant. True or False - correct
answer-True
A vapor substance with a specific gravity of .805 is ( LIGHTER ) ( HEAVIER ) than
propane vapor. - correct answer-LIGHTER
Air is approximately ____________ percent oxygen and ______________ percent
nitrogen. - correct answer-20, 79
, All L.P. gasses shall be odoriferous so the odorizing agent is detectable, by a distinct
odor, to a concentration in air if not over ________________ of the lower limit of
flammability. - correct answer-1/5
An ASME rated container has a WC rating of 120 gallons. How many gallons of
propane can safely be stored in the container?
A. 80
B. 120
C. 96
D. 100 - correct answer-
Bulkheads are used in the bulk plant to load/unload ( RAIL-CARS ) ( TRUCKS ) -
correct answer-TRUCKS
Bulkheads at a bulk plant are designed with special valves and fittings to prevent
damage to plant piping should the driver accidentally pull away while the hoses are
still connected. TRUE or FALSE - correct answer-TRUE
Butane is not commonly used as a fuel gas in residential and commercial
applications because it will not vaporize adequately at temperatures below
________________ - correct answer-32
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