Question 1

A broaching operation is best described by which one of the following:

Accepted Answer

A)  a rotating tool moves past a stationary workpart
B)  a tool with multiple teeth moves linearly past a stationary workpart
C)  a workpart is fed past a rotating cutting tool
D)  a workpart moves linearly past a stationary single-point toolE) B) and C)
F) None of the above

Question 2

Knurling is performed on a lathe, but it is not a metal cutting operation:

Accepted Answer

A) True 
 B)False

Question 3

Which of the following are examples of generating the workpart geometry in machining, as opposed to forming the geometry (two best answers) :

Accepted Answer

A)  broaching
B)  contour turning
C)  drilling
D)  profile milling
E)  thread cuttingF) A) and C)
G) A) and B)

Question 4

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:

Accepted Answer

A) True 
 B)False

Question 5

In a turning operation, the change in diameter of the workpart is equal to which one of the following:

Accepted Answer

A)  1 x depth of cut
B)  2 x depth of cut
C)  1 x feed
D)  2 x feedE) C) and D)
F) B) and D)

Question 6

Most vertical boring machines are equipped for both turning and boring and are used for large, heavy work parts with large diameters:

Accepted Answer

A) True 
 B)False

Question 7

A tap is a cutting tool used to create which one of the following geometries:

Accepted Answer

A)  external threads
B)  flat planar surfaces
C)  holes used in beer kegs
D)  internal threads
E)  square holesF) All of the above
G) A) and B)

Question 8

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:

Accepted Answer

A) True 
 B)False

Question 9

Boring and reaming share the common feature that they are both used to enlarge an existing hole:

Accepted Answer

A) True 
 B)False

Question 10

A facing operation is normally performed on which one of the following machine tools:

Accepted Answer

A)  drill press
B)  lathe
C)  milling machine
D)  planer
E)  shaperF) A) and B)
G) C) and D)

Question 11

A planing operation is best described by which one of the following:

Accepted Answer

A)  a single-point tool moves linearly past a stationary workpart
B)  a tool with multiple teeth moves linearly past a stationary workpart
C)  a workpart is fed linearly past a rotating cutting tool
D)  a workpart moves linearly past a single-point toolE) B) and D)
F) A) and B) D

Question 12

The three basic types of sawing, according to type of blade motion involved, are which of the following:

Accepted Answer

A)  abrasive cutoff
B)  bandsawing
C)  circular sawing
D)  contouring
E)  friction sawingF) hacksawingG) slottingH) C) and G)
I) A) and E)

Question 13

A vertical milling machine is more appropriate than a horizontal milling machine for performing which of the following types of operations (three best answers) :

Accepted Answer

A)  end milling
B)  face milling
C)  peripheral milling
D)  plain milling
E)  slab millingF) surface contouringG) C) and F)
H) A) and C) A, B, F

Question 14

The basic milling machine is which one of the following:

Accepted Answer

A)  bed type
B)  knee and column
C)  profiling mill
D)  ram mill
E)  universal milling machineF) B) and D)
G) A) and C)

Question 15

Which of the following are classified as peripheral milling rather than face milling (three best answers) :

Accepted Answer

A)  end milling
B)  plain milling
C)  pocket milling
D)  slab milling
E)  straddle millingF) surface contouringG) All of the above
H) C) and F)

Question 16

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:

Accepted Answer

A)  a blind hole
B)  a through holeC) A) and B)
D) undefined

Question 17

Gear hobbing is a special form of which one of the following machining operations:

Accepted Answer

A)  grinding
B)  milling
C)  planing
D)  shaping
E)  turningF) A) and C)
G) B) and D)

Question 18

The twist drill is the most common type of drill bit:

Accepted Answer

A) True 
 B)False

Question 19

Machined parts can be classified as rotational or nonrotational.Which of the following are examples of operations that create nonrotational geometries (two best answers) :

Accepted Answer

A)  boring
B)  drilling
C)  milling
D)  planing
E)  turningF) All of the above
G) A) and B) C , D

Question 20

Which one of the following cutting tools cannot be used on a turret lathe:

Accepted Answer

A)  broach
B)  cutoff tool
C)  drill bit
D)  single-point turning tool
E)  threading toolF) A) and B)
G) C) and D)

Exam 18: Machining Operations and Machine Tools

A broaching operation is best described by which one of the following:

Correct AnswerverifiedShow Answer

Knurling is performed on a lathe, but it is not a metal cutting operation:

Correct AnswerverifiedShow Answer

Which of the following are examples of generating the workpart geometry in machining, as opposed to forming the geometry (two best answers) :

Correct AnswerverifiedShow Answer

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:

Correct AnswerverifiedShow Answer

In a turning operation, the change in diameter of the workpart is equal to which one of the following:

Correct AnswerverifiedShow Answer

Most vertical boring machines are equipped for both turning and boring and are used for large, heavy work parts with large diameters:

Correct AnswerverifiedShow Answer

A tap is a cutting tool used to create which one of the following geometries:

Correct AnswerverifiedShow Answer

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:

Correct AnswerverifiedShow Answer

Boring and reaming share the common feature that they are both used to enlarge an existing hole:

Correct AnswerverifiedShow Answer

A facing operation is normally performed on which one of the following machine tools:

Correct AnswerverifiedShow Answer

A planing operation is best described by which one of the following:

Correct AnswerverifiedD

The three basic types of sawing, according to type of blade motion involved, are which of the following:

Correct AnswerverifiedShow Answer

A vertical milling machine is more appropriate than a horizontal milling machine for performing which of the following types of operations (three best answers) :

Correct AnswerverifiedA, B, F

The basic milling machine is which one of the following:

Correct AnswerverifiedShow Answer

Which of the following are classified as peripheral milling rather than face milling (three best answers) :

Correct AnswerverifiedShow Answer

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:

Correct AnswerverifiedShow Answer

Gear hobbing is a special form of which one of the following machining operations:

Correct AnswerverifiedShow Answer

The twist drill is the most common type of drill bit:

Correct AnswerverifiedShow Answer

Machined parts can be classified as rotational or nonrotational.Which of the following are examples of operations that create nonrotational geometries (two best answers) :

Correct AnswerverifiedC , D

Which one of the following cutting tools cannot be used on a turret lathe:

Correct AnswerverifiedShow Answer

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D

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A, B, F

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C , D

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