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6 Month 6 > TPC 323 Machine Shop Job Analysis > Flashcards

TPC 323 Machine Shop Job Analysis Flashcards

1
Q

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

Entire length of the workpiece
Included with of a relief notch
Prescribed length of a shoulder
Specified radius of a fillet

A

Entire length of the workpiece

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2
Q

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

Fillet
Relief notch
Shoulder
Taper

A

Relief notch

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3
Q

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

Compound rest
Cutoff
Tailstock setover
Taper attachment

A

Compound rest

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4
Q

One facing a Work piece that is short, you should mount it

In a chuck
In a collet
On a mandrel
Any of the above

A

Any of the above

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5
Q

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

Provide clearance for the cutting tool
Provide space for mounting the tool
Provide travel space for the compound rest
Provide working clearance for the bent-tail lathe dog

A

Provide clearance for the cutting tool

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6
Q

To make sure that bored and counter bored holes are concentric

Always use the power feed
Always use the same cutting tool for both
Always use the same lathe set up for both
Never use single-point tools

A

Always use the same wave set up for both

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7
Q

Bore large and irregularly shaped workpieces in a

Bench lathe
Horizontal boring Mill
Medium to large-size leave
Production-type turret leave

A

Horizontal boring mill

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8
Q

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

Compound rest method
Cutoff method
Steady rest method
Tailstock setover method

A

Compound rest method

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9
Q

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

Compound rest method
Cutoff method
Tailstock setover method
Taper attachment method

A

Taper attachment method

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10
Q

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

Depth of cut
Lathe feed setting
Pitch of the thread
Profile of the cutting tool tip

A

Profile of the cutting tool tip

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11
Q

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

Between centers
In a chuck
In the headstock spindle
In the tailstock quill

A

In the tailstock quill

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12
Q

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

Between centers
In the headstock
In the tailstock
In the tool holder

A

In the headstock

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13
Q

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

Engine lathe
Horizontal boring drill
Sensitive drill press
Upright drill press with power feed

A

Sensitive drill press

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14
Q

Use a radial drill press when the workplace

Is too large or bulky for an upright drill press
Is too small for an upright drill press
Is very small and intricate
Needs more accuracy and supplied by a sensitive drill press

A

Is too large or bulky for an upright drill press

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15
Q

The major difference between spot facing and counterboring is spot facing

Is done before drilling
Is never used on castings
Removes less metal
Removes more metal

A

Removes less metal

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16
Q

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

Boring head
Boring mounts
Crotch center
Tool post

A

Boring head

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17
Q

Use drill jigs when

A lathe is the only machine available
A sensitive drill press is the only machine available
The hole is drilled only once
The same hole is to be repeated a number of times

A

The same hole is to be repeated a number of times

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18
Q

Reaming can be done

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

A

All of the above

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19
Q

Honing is done with the use of

A facing tool
A special drill bit
An end mill
Very fine abrasive stones

A

Very fine abrasive stones

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20
Q

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

Plain
Side
Slab
Straddle

A

Side

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21
Q

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

Face
Irregular
Profile
Side

A

Profile

22
Q

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

End Mills
Facing cutters
Shell end mills
Staggered tooth cutters

A

Shell end Mills

23
Q

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

Face milling
Planing
Shaping
Slotting

A

Slotting

24
Q

The primary advantage of shaping as opposed to milling is

A shaper tool can get into places that a milling cutter cannot
Single-pointed cutting tools are less costly than milling cutters
The single-pointed cutting tool is easily made
All of the above

A

All of the above

25
Q

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

Upright drill press
Vertical boring mill
Vertical shaper
Vertical shaping lathe

A

Vertical shaper

26
Q

The cutting action of a broaching machine is done by

Circular passes
Pushing or pulling horizontally
Rotating the cutter
Vertical drilling action

A

Pushing or pulling horizontally

27
Q

The cutting teeth on a broach

Are higher in the middle than at either end
Are the same height from one end of the broach to the other
Decrease in height from the end entering to the end leaving the workpiece
Increase in height from the end entering to the end leaving the workpiece

A

Increase in height from the end entering to the end leaving the work piece

28
Q

Surface grinding is done in order to

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

A

All of the above

29
Q

The main advantage of using a vertical grinding machine is that

A greater area can be done in less time
A smoother finish is obtained
It is less costly than other processes
Less skill is involved

A

A greater area can be done in less time

30
Q

The accuracy required to hold close tolerances

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

A

All of the above

31
Q

Angular dimensions are measured in

Degrees and minutes
Inches and feet
Meters and centimeters
Pounds and ounces

A

Degrees and minutes

32
Q

Care must be taken when working with angular tolerances because

Only a minus tolerance is given
Only a plus tolerance is given
The spread becomes larger as distance increases away from the center
Tolerance fluctuations cannot be determined

A

The spread becomes larger as distance increases away from the center

33
Q

In a unilateral system of specifying tolerances

Both a plus and a minus is given
Neither a plus nor a minus is given
Only a plus or a minus is given
All of the above

A

Only a plus or a minus is given

34
Q

Tolerance stackup must be calculated when working with

Multiple cutting tools on different surfaces
Multiple dimensions on one workpiece
Multiple workpieces on one machine
One workpiece on different machines

A

Multiple dimensions on one workplace

35
Q

A rough cut removes excess material and allows for

Dimensional runout
The finish cut
Tolerance stackup
All of the above

A

The finish cut

36
Q

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

Special fixtures may be damaged
The finished workpiece may be undersized
The machine will overheat
Undo tool aware will result

A

The finished workpiece may be undersized

37
Q

During a finish cut,

A new machine is always required
A small amount of material is removed
Enough material is left for one or two more cuts
Large amounts of material are removed

A

A small amount of material is removed

38
Q

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

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

A

All of the above

39
Q

A surface averaging instrument measures

Average roughness of surface texture
Depth of cut needed for finishing
Feed rate for a given tool
Rake angle in a single-point cutting tool

A

Average roughness of a surface texture

40
Q

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

Cutting tool strength
Machinability
Machining variables
Work peace variables

A

Machinability

41
Q

Brittle metals like cast iron form chips that are

Continuous
Continuous with a built-up edge on the cutting tool
Discontinuous
Irregular

A

Discontinuous

42
Q

When selecting cutting fluids, you should always consider

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

A

All of the above

43
Q

Solid lubricants are mainly used on

Hacksaw and bandsaw blades
High-speed drill bits
Single-point cutting tools
Very large milling cutters

A

Hacksaw and bandsaw blades

44
Q

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

Check dimensions and tolerances
Consider cutter cost
Decide on the machine
Make the best operational sequence

A

Make the best operational sequence

45
Q

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

Cutter life
Machinability
Machining efficiency
Workplace variables

A

Machining efficiency

46
Q

For maximum working efficiency, always try to

Move the work to different machines to gain accuracy
Use the same cutter for all operations
Use the same machine for as many operations as possible
Work as fast as safety will allow

A

Use the same machine for as many operations as possible

47
Q

Specially designed fixtures and attachments can be justified when

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

A

All of the above

48
Q

Always try to select a machine, which is

One of the Newest machines in the shop
One of the older machines in the shop
Slightly oversized for the job
Slightly undersized for the job

A

Slightly oversized for the job

49
Q

When choosing a machine for a given operation

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

A

All of the above

50
Q

The most accurate way to drill in a lathe is

Drill rotating and workpiece rotating
Drill stationary and workpiece stationary
Drill stationary with workpiece rotating
Workpiece stationary with drill rotating

A

Drill stationary with workpiece rotating

6 Month 6 (3 decks)

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