307 ADVANCED DC EXAMINATION TEST
PREP COMPLETE QUESTIONS SOLUTIONS
VERIFIED STUDY GUIDE 2026 GRADED A+
⩥What does air rushing out indicate? Answer: flooding
⩥What does air sucking in indicate? Answer: fire
⩥What MUST you have when sounding JP-5 tanks? Answer: grounding
strap
⩥What can be used to give a more accurate sounding? Answer: moisture
indicating paste
⩥what lists every item that's supposed to be in a kit? Answer: AEL
⩥Where are shortages reported? Answer: to locker leader or DC division
⩥what are plugs made of? Answer: douglas fir and yellow pine
⩥T/F: Plugs are not painted, and have knots/cracks Answer: false, no
knots or cracks
, ⩥When plugging multiple holes, which hole gets priority? Answer: hole
below waterline
⩥how to prevent continued cracking? Answer: drill 1/4" holes on each
end of crack
⩥box patches are suited for ______ Answer: holes with jagged edges
protruding inward
⩥box patches cover holes that are __ square and __ deep Answer: 18"
square and 6" deep
⩥How are box patches held in place? Answer: shored in place, welded if
needed
⩥kind of repairs done with soft patches? Answer: small holes or cracked
piping
⩥How much PSI can a soft patch handle? Answer: 150 PSI or less
⩥what 5 things to use to apply a soft patch? Answer: gasket, wedges,
marlin, hammer, oakum
PREP COMPLETE QUESTIONS SOLUTIONS
VERIFIED STUDY GUIDE 2026 GRADED A+
⩥What does air rushing out indicate? Answer: flooding
⩥What does air sucking in indicate? Answer: fire
⩥What MUST you have when sounding JP-5 tanks? Answer: grounding
strap
⩥What can be used to give a more accurate sounding? Answer: moisture
indicating paste
⩥what lists every item that's supposed to be in a kit? Answer: AEL
⩥Where are shortages reported? Answer: to locker leader or DC division
⩥what are plugs made of? Answer: douglas fir and yellow pine
⩥T/F: Plugs are not painted, and have knots/cracks Answer: false, no
knots or cracks
, ⩥When plugging multiple holes, which hole gets priority? Answer: hole
below waterline
⩥how to prevent continued cracking? Answer: drill 1/4" holes on each
end of crack
⩥box patches are suited for ______ Answer: holes with jagged edges
protruding inward
⩥box patches cover holes that are __ square and __ deep Answer: 18"
square and 6" deep
⩥How are box patches held in place? Answer: shored in place, welded if
needed
⩥kind of repairs done with soft patches? Answer: small holes or cracked
piping
⩥How much PSI can a soft patch handle? Answer: 150 PSI or less
⩥what 5 things to use to apply a soft patch? Answer: gasket, wedges,
marlin, hammer, oakum