Questions And Correct Answers
required for all piping systems that serve psig appliance
systems. normally operated at 11 in WC pressure - correct answer-1/2
required for all piping systems that serve 1/2 psig appliance systems.
normally operated at__________ n WC pressure - correct answer-
11
above group LP-gas containers must not be located within
feet of the vertical plane beneath overhead electric power lines that are over
volts
- correct answer-6
600
Fire Extinquishers must have minimum capacity of lbs dry
chemical with a : rating -
correct answer-18
B:C
Cargo Tank Inspection and Tests
,V= inspection every years
K= test every years
P= test every years
I= inspection every years - correct answer-external
visual inspection 1 year
leak test 1 year
pressure test 5 years
internal visual inspection 5 years
what is the lower limit of combustibility of odorized LP-gas - correct
answer- 1/5
A propane leak can - correct answer-Displace Oxygen an causes
suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have
- correct answer-opening of 1 1/4 in or more
pneumatically operated ESV
pneumatically operated internal
valves back-check valves for into
tank only
Thermal element must be located within ft of the ESV and
can NOT BE - correct answer-5
, painted
All underground pipe, metallic or poly must be covered by inches
or inches
if damage is likely - correct answer-12 18
Outdoor metallic piping shall have pressure limits - correct answer-no
Polyethylene piping systems shall be limited to psig - correct
answer- 30
Polyethylene piping shall be used only - correct
answer- underground
Texas school leak tests must last a minimum of minutes -
correct answer-30
LPG form must be keep on file for years - correct
answer-30 5
Texas school leak tests must be done every years - correct
answer-2