ch 21
In a turning operation, the change in diameter of the workpart is equal to which one of the following
2 x depth of cut
Which one of the following turning machines permits very long bar stock to be used
screw machine
Machined parts can be classified as rotational or nonrotational. Which of the following are examples of operations that create nonrotational geometries
Milling and planning
A broaching operation is best described by which of the following
a tool with multiple teeth moves linearly past a stationary workpart
a planing operation is best described by which one of the following
a workpart moves linearly past a single point tool
the three basic types of sawing, according to type of blade motion involved are which of the following
bandsawing, circular sawing, hacksawing
A lathe can be used to perform which of the following machining operations
boring drilling and turning
Which one of the following cutting tools cannot be used on a turret lathe
broach
Which of the following are examples of generating the workpart geometry in machining, as opposed to forming the geometry
contour turning, profile milling
typical operations performed on a machining center include which of the following
drilling, milling
A vertical milling machine is more appropriate than a horizontal milling machine for performing which of the following types of operations
end milling, face milling, surface contouring
reaming is used for which of the following functions
enlarge a drilled hole, improve surface finish on a hole, improve tolerance on a hole diameter
A live center is one way of holding a workpiece in the headstock of a lathe, whereas a dead center is used to hold the work in the tailstock
false
The difference between up milling and down milling is that in down milling the direction of motion of the cutter teeth is opposite the feed direction when the teeth cut into the work
false
the distinguishing feature between a drilling fixture and a drill jig is that the fixture provides a means of guiding the tool during the hole making operation
false
a tap is a cutting tool used to create which one of the following geometries
internal threads
The basic milling machine is which one of the following
knee and column
A facing operation is normally performed on which one of following machine toools
lathe
gear hobbing is a special form to which one of the following machining operations
milling
Which of the following are classified as peripheral milling rather than face milling
plain milling, slab milling, straddle milling
Which one of the following terms is used for cutting external threads using self opening threading dies
thread chasing
when the drill bit in a drilling operation exits the opposite side of the work, the resulting hole is called which one of the following
through hole
Boring and reaming share the common feature that they are both used to enlarge an existing hole
true
Knurling is performed on a lathe, but it is not a metal cutting operation
true
Most vertical boring machines are equipped for both turning and boring and are used for large, heavy work parts with large diameters
true
The twist drill is the most common type if drill bit
true