ch 21

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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


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