Advanced DC 307 || 100% SOLVED!!
Soundings correct answers - Purpose of sounding is to determine how much liquid in the
void/ tank.
- Air rushing out can indicate flooding
- Air rushing in can indicate fire
* Must have a grounding strap when sounding JP5 tank
- 75 ft sounding measuring tape preferred
- Moisture indicating paste can be used to get a more accurate sounding
Inventory correct answers - AEL lists every item that is supposed to be in a kit
- Shortages are reported to locker leader or DC division
Plugs correct answers - Made of Yellow Pine or Douglas Fir
- Not painted, free of knots/ cracks
- When plugging multiple holes, hole below water line gets priority
Controlling a Crack correct answers - To prevent continued cracking, drill a 1/4 in hole in
each side of the crack
Box Patch correct answers - Suited for holes with jagged edges protruding inwards
- Covers holes up to 18 in square and 6 in deep
- Is shored in place and can be welded if necessary
Soft Patch correct answers - Used to repair small holes or crack in piping
- 150 psi or less
- use gasket, wedges, marlin, hammer, and oakum when constructing
- Wedge will be marked flush with the pipe, removed and a second line will be drawn then
cut 1/2 in below first mark
- Gasket extends 2 in past rupture and 1/2 in at the bottom
- marlin extends past the gasket 1/2 in
Band it patch correct answers - Used to repair small holes or cracks piping
- 150 psi or less
- minimum of 2 bands to hold strong back
EWARP
Emergency Water Activated Repair Patch correct answers - Used to repair small hole and
cracks piping.
- May not be used for fuel, steam, and potable water.
- 150 psi or less
- max temp of 300 degrees
- snack in water for 20 seconds then 30 min cure time
- comes in 2 sizes: 2x5 in and 4x15 in
Jubilee Patch correct answers 100 psi or less, weakest of the 4.
- make sure to have proper pep for all patches
- when gasket is needed make sure tp overlap crack by 2 in on either side.
PJHS Pipe Jumper Hose System correct answers - Used to make temporary emergency cold
pipe repairs
- Operates at 4000 psi and from temps ranging from 0-200
- allows pipe jumping up to 40 ft
- repairs standard pipe sizes from 1/4 in to 2 1/2 in
- provides cold repair, no welding
3 constructions for wood shoring correct answers I- type- (direct pressure) strongest out of
the 3.
H- type- (indirect pressure) weakest out of the 3.
K- type (triangulation pressure) must make cuts and angles in a 90 degree angle
Soundings correct answers - Purpose of sounding is to determine how much liquid in the
void/ tank.
- Air rushing out can indicate flooding
- Air rushing in can indicate fire
* Must have a grounding strap when sounding JP5 tank
- 75 ft sounding measuring tape preferred
- Moisture indicating paste can be used to get a more accurate sounding
Inventory correct answers - AEL lists every item that is supposed to be in a kit
- Shortages are reported to locker leader or DC division
Plugs correct answers - Made of Yellow Pine or Douglas Fir
- Not painted, free of knots/ cracks
- When plugging multiple holes, hole below water line gets priority
Controlling a Crack correct answers - To prevent continued cracking, drill a 1/4 in hole in
each side of the crack
Box Patch correct answers - Suited for holes with jagged edges protruding inwards
- Covers holes up to 18 in square and 6 in deep
- Is shored in place and can be welded if necessary
Soft Patch correct answers - Used to repair small holes or crack in piping
- 150 psi or less
- use gasket, wedges, marlin, hammer, and oakum when constructing
- Wedge will be marked flush with the pipe, removed and a second line will be drawn then
cut 1/2 in below first mark
- Gasket extends 2 in past rupture and 1/2 in at the bottom
- marlin extends past the gasket 1/2 in
Band it patch correct answers - Used to repair small holes or cracks piping
- 150 psi or less
- minimum of 2 bands to hold strong back
EWARP
Emergency Water Activated Repair Patch correct answers - Used to repair small hole and
cracks piping.
- May not be used for fuel, steam, and potable water.
- 150 psi or less
- max temp of 300 degrees
- snack in water for 20 seconds then 30 min cure time
- comes in 2 sizes: 2x5 in and 4x15 in
Jubilee Patch correct answers 100 psi or less, weakest of the 4.
- make sure to have proper pep for all patches
- when gasket is needed make sure tp overlap crack by 2 in on either side.
PJHS Pipe Jumper Hose System correct answers - Used to make temporary emergency cold
pipe repairs
- Operates at 4000 psi and from temps ranging from 0-200
- allows pipe jumping up to 40 ft
- repairs standard pipe sizes from 1/4 in to 2 1/2 in
- provides cold repair, no welding
3 constructions for wood shoring correct answers I- type- (direct pressure) strongest out of
the 3.
H- type- (indirect pressure) weakest out of the 3.
K- type (triangulation pressure) must make cuts and angles in a 90 degree angle
