NCCER Core Module 2 Exam Questions and Answers 100% Correct Graded A+ 2026/27
Adjustable Wrench - A smooth-jawed wrench with an adjustable jaw used for turning nuts
and bolts. Often referred to as a Crescent wrench due to brand recognition
Ball-Peen Hammer - A hammer with a flat face that is used to strike cold chisels and
punches. The rounded end -the peen- is used to bend and shape soft metal.
Bell-faced hammer - A claw hammer with a slightly rounded, or convex, face.
Bevel - To cut on a slant at an angle that is not a right angle (90 degrees). The angle or
inclination of a line or surface that meets another at any angle but 90 degrees.
Box-end wrench - A wrench, usually double-ended, that has a closed socket that fits over
the head of a bolt
Carpenter's Square - A flat, steel square commonly used in carpentry
Cat's paw - A straight steel rod with a curved claw at one end that is used to pull nails that
have been driven flush with the surface of the wood or slightly below it.
Chisel - A metal tool with a sharpened, beveled edge used to cut and shape wood, stone,
or metal.
, Chisel Bar - A tool with a claw at each end, commonly used to pull nails.
Claw Hammer - A hammer with a flat striking face. the other end of the head is curved
and divided into two claws to remove nails.
Combination square - An adjustable carpenter's tool consisting of a steel rule that slides
through an adjustable head; it can be used to mark 45 and 90 degree angles.
combination wrench - A wrench with an open end and a closed end.
Dowel - A pin, usually round, that fits into a corresponding hole to fasten or align two
pieces.
Fastener - A device such as a bolt, clasp, hook, or lock used to attach or secure one
material to another.
Flats - The straight sides or jaws of a wrench opening. Also, the sides on a nut or bolt
head.
Foot-pounds - Unit of measure used to describe the amount of pressure exerted (torque) to
tighten a large object.
Hex Key Wrench - A hexagonal steel bar that is bent to form a right angel. Often referred
to as an Allen wrench.
Adjustable Wrench - A smooth-jawed wrench with an adjustable jaw used for turning nuts
and bolts. Often referred to as a Crescent wrench due to brand recognition
Ball-Peen Hammer - A hammer with a flat face that is used to strike cold chisels and
punches. The rounded end -the peen- is used to bend and shape soft metal.
Bell-faced hammer - A claw hammer with a slightly rounded, or convex, face.
Bevel - To cut on a slant at an angle that is not a right angle (90 degrees). The angle or
inclination of a line or surface that meets another at any angle but 90 degrees.
Box-end wrench - A wrench, usually double-ended, that has a closed socket that fits over
the head of a bolt
Carpenter's Square - A flat, steel square commonly used in carpentry
Cat's paw - A straight steel rod with a curved claw at one end that is used to pull nails that
have been driven flush with the surface of the wood or slightly below it.
Chisel - A metal tool with a sharpened, beveled edge used to cut and shape wood, stone,
or metal.
, Chisel Bar - A tool with a claw at each end, commonly used to pull nails.
Claw Hammer - A hammer with a flat striking face. the other end of the head is curved
and divided into two claws to remove nails.
Combination square - An adjustable carpenter's tool consisting of a steel rule that slides
through an adjustable head; it can be used to mark 45 and 90 degree angles.
combination wrench - A wrench with an open end and a closed end.
Dowel - A pin, usually round, that fits into a corresponding hole to fasten or align two
pieces.
Fastener - A device such as a bolt, clasp, hook, or lock used to attach or secure one
material to another.
Flats - The straight sides or jaws of a wrench opening. Also, the sides on a nut or bolt
head.
Foot-pounds - Unit of measure used to describe the amount of pressure exerted (torque) to
tighten a large object.
Hex Key Wrench - A hexagonal steel bar that is bent to form a right angel. Often referred
to as an Allen wrench.
