307 Advanced DC Question and Answer
[2026] | UPDATED ACTUAL Exam | A+
Verified
• What is contained in a shoring kit? -✓✓ Carpenters pencils
Carpenters square
Saw
Tape measure
Cut resistant gloves
• What materials are shoring made from? -✓✓ Wood and metal
• Where can you find wood shoring? -✓✓ A couple locations around the ship
• Where can you find metal shoring? -✓✓ Inside every repair locker
• What sizes do metal shoring come in? -✓✓ 3-5ft and 6-11ft
• How can you adjust metal shoring -✓✓ They are extendable
• What are advantages of metal shoring over wood shoring? -✓✓ Don't have to measure
Last longer
Extendable
• Why are metal shores better for longer use? -✓✓ They can be welded in place
• What types of wood are used for wood shoring? -✓✓ Douglas Fir
Yellow Pine
• Why are particular woods used? -✓✓ Easy to cut
Expand when wet
• What are three kinds of shoring? -✓✓ I
H
K
• What kind of shoring is used more often -✓✓ I
• What makes I shoring strong? -✓✓ Can hold direct pressure
• When is H type shoring used? -✓✓ To fit around obstacles
, • What does k type shoring look like? -✓✓ ROBS of the ship
Uses triangulation, both shores under direct compression, never more than 90 deg
angle
• What are wood shores treated with? -✓✓ Fire resistant chemicals and fire retardant
paint
• When measuring to cut shoring, subtract how much for wedges? -✓✓ 1/2"
• Strong back -✓✓ Distributes pressure across the shole plate, serves as anchor
• Shole plate -✓✓ Flat plate placed under end of shore to distribute pressure
• Maximum length of shore -✓✓ 30 times it's thickness
• Shore angle should never exceed -✓✓ 90*
• Wedge size -✓✓ 6 times butt thickness
• What is a wedge used for -✓✓ Tighten and hold a shore in place
• Uncorrected run of shore -✓✓ Bulkhead to anchor point
• Corrected run of shore by -✓✓ Subtracting the width of the strongback
• What does the shoring watch monitor? -✓✓ For collapsed shoring
• What items does the shoring watch have -✓✓ Comms
Shorting battens
Plugging kit
• What is contained in a plugging kit? -✓✓ Oakum
Mauls
Plugs and wedges
Caulking iron
Cold chisel
Hatchets
Hammers
Cross-cut saw
• What is contained in a patching kit? -✓✓ Rubber gasket
Wedges
Saws
[2026] | UPDATED ACTUAL Exam | A+
Verified
• What is contained in a shoring kit? -✓✓ Carpenters pencils
Carpenters square
Saw
Tape measure
Cut resistant gloves
• What materials are shoring made from? -✓✓ Wood and metal
• Where can you find wood shoring? -✓✓ A couple locations around the ship
• Where can you find metal shoring? -✓✓ Inside every repair locker
• What sizes do metal shoring come in? -✓✓ 3-5ft and 6-11ft
• How can you adjust metal shoring -✓✓ They are extendable
• What are advantages of metal shoring over wood shoring? -✓✓ Don't have to measure
Last longer
Extendable
• Why are metal shores better for longer use? -✓✓ They can be welded in place
• What types of wood are used for wood shoring? -✓✓ Douglas Fir
Yellow Pine
• Why are particular woods used? -✓✓ Easy to cut
Expand when wet
• What are three kinds of shoring? -✓✓ I
H
K
• What kind of shoring is used more often -✓✓ I
• What makes I shoring strong? -✓✓ Can hold direct pressure
• When is H type shoring used? -✓✓ To fit around obstacles
, • What does k type shoring look like? -✓✓ ROBS of the ship
Uses triangulation, both shores under direct compression, never more than 90 deg
angle
• What are wood shores treated with? -✓✓ Fire resistant chemicals and fire retardant
paint
• When measuring to cut shoring, subtract how much for wedges? -✓✓ 1/2"
• Strong back -✓✓ Distributes pressure across the shole plate, serves as anchor
• Shole plate -✓✓ Flat plate placed under end of shore to distribute pressure
• Maximum length of shore -✓✓ 30 times it's thickness
• Shore angle should never exceed -✓✓ 90*
• Wedge size -✓✓ 6 times butt thickness
• What is a wedge used for -✓✓ Tighten and hold a shore in place
• Uncorrected run of shore -✓✓ Bulkhead to anchor point
• Corrected run of shore by -✓✓ Subtracting the width of the strongback
• What does the shoring watch monitor? -✓✓ For collapsed shoring
• What items does the shoring watch have -✓✓ Comms
Shorting battens
Plugging kit
• What is contained in a plugging kit? -✓✓ Oakum
Mauls
Plugs and wedges
Caulking iron
Cold chisel
Hatchets
Hammers
Cross-cut saw
• What is contained in a patching kit? -✓✓ Rubber gasket
Wedges
Saws
