LP- GAS TXAS BOBTAIL EXAM
QUESTIONS AND CORRECT
ANSWERS 2024 GRADED A+.
2 / 9
1. required for all piping systems that serve psig appliance systems.
normally operated at 11 inWC pressure: 1/2
2. required for all piping systems that serve 1/2 psig appliance lly operated
at inWC pressure: 11
3...
,1. required for all piping systems that serve psig appliance systems.
normally operated at 11 in WC pressure: 1/2
2. required for all piping systems that serve 1/2 psig appliance systems.normally operated
at in WC pressure: 11
3. above group LP-gas containers must not be located within feet of the
vertical plane beneath overhead electric power lines that are over volts: 6
600
4. Fire Extinquishers must have minimum capacity of lbs dry chemicalwith
a : rating: 18
B:C
5. Cargo Tank Inspection and Tests
V= inspection every years
K= test every years
P= test every years
I= inspection every years: external visual inspection 1 yearleak test 1
year
pressure test 5 years
internal visual inspection 5 years
6. what is the lower limit of combustibility of odorized LP-gas: 1/5
7. A propane leak can: Displace Oxygen an causes suffocation
8. Bulk plant emergency shutoff for 4001 gal aggregate wc or more shallhave: opening of 1
1/4 in or more
2/9
, pneumatically operated ESV pneumatically
operated internal valvesback-check valves for
into tank only
9. Thermal element must be located within ft of the ESV and can NOT BE
:5
painted
10. All underground pipe, metallic or poly must be covered by inches or
inches if damage is likely: 1218
11. Outdoor metallic piping shall have pressure limits: no
12. Polyethylene piping systems shall be limited to psig: 30
13. Polyethylene piping shall be used only: underground
14. Texas school leak tests must last a minimum of minutes: 30
15. LPG form must be keep on file for years: 30
5
16. Texas school leak tests must be done every years: 2
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