MEC 111 ACTUAL EXAM QUESTIONS AND
COMPLETE STUDY GUIDE 2026
▶ Select the two main types of saws used in a machine shop as outlined in
the lab presentation. Answer: Band saws and cold/circular saws.
▶ What tool is used to remove unwanted small protruding burrs of material
and/or sharp edges from work pieces before and after performing
machining operations? (Enter answer below) Answer: file
▶ Select the four main categories of work piece raw materials used in
machining processes outlined in the lab presentation. Answer: 1. block,
bar, sheet
2. casting
3. forging
4. custom extrusions
▶ An engine lathe is a machine tool used to primarily machine _____
shaped parts using a tool having a single ______ Answer: cylindrical. point
▶ Select the processes that are NOT included in the eight machining
processes typically performed on a manual engine lathe like the LeBlonds
we have in our lab. Answer: Sawng, Milling, Crimping, Laser Cutting
▶ Which axis on the lathe runs parallel to the part's length i.e., the axial
direction? Answer: Z-Axis
▶ Which axis on the lathe runs perpendicular to the part's length i.e., the
radial direction? Answer: X-Axis
▶ From the information presented in this class, what secures the work
piece in the lathe as it spins? (Enter answer below) Answer: three jaw
chuck
▶ How many graduations per turn (one revolution) are on the cross slide
hand wheel? Enter a numerical value below. Answer: 250
, ▶ How many graduations per turn (one revolution) are on the compound
slide? Enter a numerical value below. Answer: 200
▶ ___________________ is undesirable slop or play between mechanical
components in machine tool's axis drive systems such as leads screws or
meshing gears. (Enter term below) Answer: Backlash
▶ When using an engine lathe, a tapered feature or part can be created by
feeding the compound slide at an angle. Answer: True
▶ What is the term used to describe a lathe operation which creates a
planer surface on the end of a workpiece. This same operation is used to
control the length of a part or feature. (Enter term below) Answer: Facing
▶ What is the term used to describe a lathe operation which creates a
cylindrical surface on the outside of a workpiece? This same operation is
used to control the diameter of a part or feature. (Enter term below)
Answer: turning
▶ What equation is used to calculate the workpiece's RPM on a lathe?
(Use the approximated version of the equation) Answer: (4 * V)/d
▶ What are the units for feed rate/chip load on the lathe? Answer: in/rev
▶ A workpiece's diameter is 1.160" after rough turning and the final desired
workpiece diameter is 1.150". How many graduations should the cross
slide hand wheel be turned for the finish pass? Enter the number of
graduations on the dial below. Answer: 10
▶ A workpiece's diameter is 1.160" after rough turning and the final desired
workpiece diameter is 1.150". What is the depth of cut for the finish pass?
Enter the numerical value for the depth of cut below. Answer: 0.005
▶ A Ø1.625" piece of mild steel needs to be turned in a lathe using a
carbide cutting tool. The surface speed is 500 ft/min and the chip load is
.0065 in/rev. What is the recommended RPM for the turning operation
above? Enter the numerical value of the RPM below. Answer: 1,230
▶ A Ø1.625" piece of mild steel needs to be turned in a lathe using a
carbide cutting tool. The surface speed is 500 ft/min and the chip load is
COMPLETE STUDY GUIDE 2026
▶ Select the two main types of saws used in a machine shop as outlined in
the lab presentation. Answer: Band saws and cold/circular saws.
▶ What tool is used to remove unwanted small protruding burrs of material
and/or sharp edges from work pieces before and after performing
machining operations? (Enter answer below) Answer: file
▶ Select the four main categories of work piece raw materials used in
machining processes outlined in the lab presentation. Answer: 1. block,
bar, sheet
2. casting
3. forging
4. custom extrusions
▶ An engine lathe is a machine tool used to primarily machine _____
shaped parts using a tool having a single ______ Answer: cylindrical. point
▶ Select the processes that are NOT included in the eight machining
processes typically performed on a manual engine lathe like the LeBlonds
we have in our lab. Answer: Sawng, Milling, Crimping, Laser Cutting
▶ Which axis on the lathe runs parallel to the part's length i.e., the axial
direction? Answer: Z-Axis
▶ Which axis on the lathe runs perpendicular to the part's length i.e., the
radial direction? Answer: X-Axis
▶ From the information presented in this class, what secures the work
piece in the lathe as it spins? (Enter answer below) Answer: three jaw
chuck
▶ How many graduations per turn (one revolution) are on the cross slide
hand wheel? Enter a numerical value below. Answer: 250
, ▶ How many graduations per turn (one revolution) are on the compound
slide? Enter a numerical value below. Answer: 200
▶ ___________________ is undesirable slop or play between mechanical
components in machine tool's axis drive systems such as leads screws or
meshing gears. (Enter term below) Answer: Backlash
▶ When using an engine lathe, a tapered feature or part can be created by
feeding the compound slide at an angle. Answer: True
▶ What is the term used to describe a lathe operation which creates a
planer surface on the end of a workpiece. This same operation is used to
control the length of a part or feature. (Enter term below) Answer: Facing
▶ What is the term used to describe a lathe operation which creates a
cylindrical surface on the outside of a workpiece? This same operation is
used to control the diameter of a part or feature. (Enter term below)
Answer: turning
▶ What equation is used to calculate the workpiece's RPM on a lathe?
(Use the approximated version of the equation) Answer: (4 * V)/d
▶ What are the units for feed rate/chip load on the lathe? Answer: in/rev
▶ A workpiece's diameter is 1.160" after rough turning and the final desired
workpiece diameter is 1.150". How many graduations should the cross
slide hand wheel be turned for the finish pass? Enter the number of
graduations on the dial below. Answer: 10
▶ A workpiece's diameter is 1.160" after rough turning and the final desired
workpiece diameter is 1.150". What is the depth of cut for the finish pass?
Enter the numerical value for the depth of cut below. Answer: 0.005
▶ A Ø1.625" piece of mild steel needs to be turned in a lathe using a
carbide cutting tool. The surface speed is 500 ft/min and the chip load is
.0065 in/rev. What is the recommended RPM for the turning operation
above? Enter the numerical value of the RPM below. Answer: 1,230
▶ A Ø1.625" piece of mild steel needs to be turned in a lathe using a
carbide cutting tool. The surface speed is 500 ft/min and the chip load is
