NAVY AM MOD 3 REVISION EXAM SET QUESTIONS AND
ANSWERS SURE A+
✔✔bend radius (BR) - ✔✔The radius of a bend and is always measured to the inside
unless otherwise stated.
✔✔Bend Line - ✔✔Used as a guide for positioning the metal in the brake (Drawn with
pencil)
✔✔Cut Lines - ✔✔Indicates the exact amount of metal required to make a part (always
drawn with a scribe)
✔✔Combination square - ✔✔Measures any degree of angle with protractor
✔✔Scribe - ✔✔Sharp steel prick
✔✔Dividers - ✔✔used for laying out arcs or circles on metal
✔✔Prick punch - ✔✔Used for reference marks, makes light mark for hole centers and
center of arcs. Point sharpened to 60 degree angle.
✔✔Center punch - ✔✔Marks hole locations for drilling, prevents drill from wondering.
Point sharpened to 90 degree angle.
✔✔Drift punch - ✔✔Used to finish driving out a bolt, pin or rivet from a hole. (Flat points)
✔✔pencil compass - ✔✔Used when drawing arcs, curves, circles, and when bisecting
lines
✔✔triangle - ✔✔Used when drawing vertical or diagonal lines.
✔✔tinner's snips - ✔✔Cuts up to 1/16 inch in straight lines.
✔✔Aviation Snips - ✔✔Cuts up to .050 inch, has small serrations on cutting edge.
✔✔How are hacksaw blades measured - ✔✔The number of teeth per inch
✔✔Hacksaw - ✔✔Cuts metal too heavy for snips.
✔✔File - ✔✔Tool of hardened steel, used for smoothing surfaces
✔✔flat file - ✔✔Used for flat surfaces and outside arcs
✔✔triangular file - ✔✔Used on internal angles and outside arcs
ANSWERS SURE A+
✔✔bend radius (BR) - ✔✔The radius of a bend and is always measured to the inside
unless otherwise stated.
✔✔Bend Line - ✔✔Used as a guide for positioning the metal in the brake (Drawn with
pencil)
✔✔Cut Lines - ✔✔Indicates the exact amount of metal required to make a part (always
drawn with a scribe)
✔✔Combination square - ✔✔Measures any degree of angle with protractor
✔✔Scribe - ✔✔Sharp steel prick
✔✔Dividers - ✔✔used for laying out arcs or circles on metal
✔✔Prick punch - ✔✔Used for reference marks, makes light mark for hole centers and
center of arcs. Point sharpened to 60 degree angle.
✔✔Center punch - ✔✔Marks hole locations for drilling, prevents drill from wondering.
Point sharpened to 90 degree angle.
✔✔Drift punch - ✔✔Used to finish driving out a bolt, pin or rivet from a hole. (Flat points)
✔✔pencil compass - ✔✔Used when drawing arcs, curves, circles, and when bisecting
lines
✔✔triangle - ✔✔Used when drawing vertical or diagonal lines.
✔✔tinner's snips - ✔✔Cuts up to 1/16 inch in straight lines.
✔✔Aviation Snips - ✔✔Cuts up to .050 inch, has small serrations on cutting edge.
✔✔How are hacksaw blades measured - ✔✔The number of teeth per inch
✔✔Hacksaw - ✔✔Cuts metal too heavy for snips.
✔✔File - ✔✔Tool of hardened steel, used for smoothing surfaces
✔✔flat file - ✔✔Used for flat surfaces and outside arcs
✔✔triangular file - ✔✔Used on internal angles and outside arcs
