323

Question 1

Straight turning is performed by machining a workpiece to the same diameter along the

Answer 1

Entire length of the workpiece

Question 2

A groove or undercut at the diameter change to ensure grinding up to the square face of a large diameter is a

Answer 2

Relief notch

Question 3

The most common method for turning tapers larger than 3 in./ft is the _____ method

Answer 3

Compound rest

Question 4

When facing a workpiece that is short, you should mount it

Answer 4

Any of the above

Question 5

When facing work between centers, use a half-center in order to

Answer 5

Provide clearance for the cutting tool

Question 6

To make sure that bored and counterbored holes are concentric

Answer 6

Always use the same lathe setup for both

Question 7

bore large and irreqularly shaped workpieces in a

Answer 7

Horizontal boring mill

Question 8

Which of the following methods can be used for boring tapers?

Answer 8

Compound rest method

Question 9

The most accurate method tor boring tapers on a lathe is the

Answer 9

Taper attachment method

Question 10

The shape of screw threads cut on a lathe is determined by the

Answer 10

Profile of the cutting tool tip

Question 11

The most common way to drill in a lathe Is to mount the drill

Answer 11

In the talistock quill

Question 12

When drilling long holes or working with bulky or cumbersome workpieces, you should mount the drill

Answer 12

In the headstock

Question 13

The most accurate way to drill in a lathe is

Answer 13

Drill stationary with workpiece rotating

Question 14

The machine most often used for drilling jobs in which a high degree of accuracy is not needed is

Answer 14

Sensitive drill press

Question 15

Use a radial drill press when the workpiece

Answer 15

Is too large or bulky for an upright drill press

Question 16

The major difference between spot facing and counterboring is spot facing

Answer 16

Removes less metal

Question 17

Boring is done in a drillpress by installing a boring bar in a

Answer 17

Boring head

Question 18

Use drill jigs when

Answer 18

The same hole is to be repeated a number of times

Question 19

Reaming can be done

Answer 19

By hand
In a drill press
In a lathe
All of the above

Question 20

Honing is done with the use of

Answer 20

Very fine abrasive stones

Question 21

Machining a groove in the surface of a flat piece of metal is an example of _____ milling

Answer 21

Side

Question 22

Machining angular, concave and convex cuts into metal workpieces are examples of _____ milling

Answer 22

Profile

Question 23

Face milling cutters 6 in. or less in diameter are called

Answer 23

Shell end mills

Question 24

Machining keyways for a standard Woodruff key is a common example of

Answer 24

Slotting

Question 25

The primary advantage of shaping as opposed to milling is

Answer 25

Single-pointed cutting tools are less costly than milling cutters

Question 26

A slotting machine is actually the same thing as a(n)

Answer 26

Vertical shaper

Question 27

The cutting action of a broaching machine is done by

Answer 27

Pushing or pulling horizontally

Question 28

The cutting teeth on a broach

Answer 28

Increase in height from the end entering to the end leaving the workpiece

Question 29

Surface grinding is done in order to

Answer 29

Produce extremely close tolerances Produce very fine finishes Remove metal that is too hard for normal machining All of the above

Question 30

The main advantage of using a vertical grinding machine is that

Answer 30

A greater area can be done in less time

Question 31

The accuracy required to hold close tolerances

Answer 31

Affects the choice of machine Affects the function of the final workpiece Increases the skill involved in machining All of the above

Question 32

Angular dimensions are measured in

Answer 32

Degrees and minutes

Question 33

Care must be taken when working with angular tolerances because

Answer 33

The spread becomes larger as distance increases away from the center

Question 34

In a unilateral system of specifying tolerances,

Answer 34

Only a plus or a minus is given

Question 35

Tolerance stackup must be calculated when working with

Answer 35

Multiple dimensions on one workpiece

Question 36

A rough cut removes excess material and allows for

Answer 36

The finish cut

Question 37

When taking a rough cut, you must take finishing operations into account, or

Answer 37

The finished workpiece may be undersized

Question 38

During a finish cut,

Answer 38

A small amount of material is removed

Question 39

The type of surface finish made by a machine tool is influenced by

Answer 39

Feed marks left by the cutting tool The way chips are formed by the tool Vibration between the workpiece and the tool All of the above

Question 40

A surface averaging instrument measures

Answer 40

Average roughness of surface texture

Question 41

The ease with which metal can be removed from a workpiece is referred to as

Answer 41

Machinability

Question 42

Brittle metals like cast iron form chips that are

Answer 42

Discontinuous

Question 43

When selecting cutting fluids, you should always consider

Answer 43

Amount of fluid Point of fluid application Type of fluid All of the above

Question 44

Solid lubricants are mainly used on

Answer 44

Hacksaw and bandsaw blades

Question 45

After a list of operations has been made for a specific job, the next step is to

Answer 45

Make the best operational sequence

Question 46

A careful study and analysis of the total job is crucial to

Answer 46

Machining efficiency

Question 47

For maximum working efficiency, always try to

Answer 47

Use the same machine for as many operations as possible

Question 48

Specially designed fixtures and attachments can be justified when

Answer 48

A fast wearing part is made on a regular basis Emergency parts must be made to keep a production line running Spare parts must be made for obsolete equipment All of the above

Question 49

Always try to select a machine which is

Answer 49

Slightly oversized for the job

Question 50

When choosing a machine for a given operation

Answer 50

Make sure the machine has more than enough power to perform the job Stay away from the outer limits of a machine's capacity Use the machine designed for that specific operation All of the above