QUESTIONS AND 100% CORRECT
SOLUTIONS|| UPDATED
2025/2026 SYLLABUS|| 100%
GUARANTEED PASS||ALREADY
GRADED A+||<<NEWEST
VERSION>>
Moist soil effect on underground leak - ANSWER ✓ creates a barrier to traveling
upwards, accumulating underground may cause horizontal migration
Dry soil effect on underground leak - ANSWER ✓ gas moves freely, may absorb
odorants
Frozen soil effect on underground leak - ANSWER ✓ creates a barrier, may cause
horizontal migration
Leak migration boundaries are defined at - ANSWER ✓ 0.0% gas in air CGI
reading
Over pressurization causes - ANSWER ✓ damaged regulator, incorrect valve
adjustment, employee error, vandalism, vent sealing
Over pressurization indicators - ANSWER ✓ open relief valve, venting, odor
complaints, alarms, explosions
If over pressurization occurs - ANSWER ✓ notify appropriate personnel
assist in shutting down lines
eliminate ignition sources
determine extent of area effected
determine cause