325 Flashcards

1
Q

The jaws of a 3-jaw universal chuck close and open

A

In unison

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2
Q

The jaws of a 4-jaw independent chuck

A

Are designed to grasp large or odd-shaped work
Can be reversed
Operate separately
All of the above

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3
Q

The quickest and most convenient chuck to set up on a lathe is the

A

Three-jaw universal chuck

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4
Q

The size of a chuck is designated by its

A

Diameter

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5
Q

Before mounting a chuck, always place a board across the

A

Ways

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6
Q

When you install a chuck on the spindle, you should never use

A

Power from the lathe

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7
Q

A chuck-mounted workpiece must be centered, with the work axis parallel to the lathe’s

A

Centerline

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8
Q

An exact reference for centering oddly shaped workpieces in a chuck is the

A

Dead center

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9
Q

The type of work that can be held in a collet chuck is limited to

A

Small diameter workpieces

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10
Q

A mandrel is mounted in the lathe

A

Between centers

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11
Q

Facing a workpiece gives it square ends and a

A

Reference surface

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12
Q

Which angle is the most important on a facing tool?

A

Side rake

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13
Q

When facing, you should set the tool on the workpiece’s

A

Centerline

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14
Q

When facing a large area on a workpiece, use the

A

Automatic feed

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15
Q

The rough cut is intended to remove material from the workpiece

A

Quickly

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16
Q

The roughing cut should leave enough material for a

A

Finishing cut

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17
Q

A rough turning tool does NOT make a good

A

Finish cut

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18
Q

The proper use of cutting fluids allows you to increase

A

Cutting speed
Depth of cut
Time savings
All of the above

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19
Q

The characteristic that makes a finishing tool differ from a roughing tool is its

A

Rounded point

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20
Q

A trial finish cut is just like a trial rough cut except that you are looking primarily for

A

Surface finish quality

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21
Q

Boring a hole in a workpiece makes the hole larger and

A

Trues it

22
Q

A bored hole and the circular path in which the tool or workpiece is rotating are always

A

Concentric

23
Q

The end clearance on a boring tool bit prevents the

A

Heel from rubbing

24
Q

Within practical limits, always use a boring bar with the

A

Largest diameter possible

25
Q

The type of corner produced at the end of a bored hole is determined by the

A

Cutting tool profile

26
Q

When you bore a hole, you should offset the compound rest to an angle of _____
degrees.

A

60

27
Q

During boring operations, a chip buildup should be cleaned out.

A

Only when the lathe is completely stopped

28
Q

Forming a recess at the top of an existing hole is called

A

Counterboring

29
Q

The counterbore must be concentric with the

A

Bore

30
Q

Counterboring procedures are the same as those for

A

Boring

31
Q

Machining a recess between two sets of internal threads separates the threads and

A

Provides chip clearance

32
Q

The diameter of a hole to be threaded must equal the thread’s

A

Minor diameter

33
Q

When threading a bored hole, be sure that you allow for

A

Tool clearance

34
Q

A thread-cutting tool must be ground to the particular

A

Thread form

35
Q

For right-hand thread cutting, the compound-rest must be rotated to the left
______ degrees.

A

29

36
Q

How many different methods are there of boring a taper on a lathe?

A

Two

37
Q

When you use the compound-rest method to bore a taper, you must rotate the compound to an angle equal to

A

One half the included angle

38
Q

When using the compound-rest method for boring a taper, you must set the tool post and tool holder parallel to the

A

Compound rest centerline

39
Q

Of all the methods available to machine a taper on a lathe, which of the following is the most accurate?

A

Taper-attachment method

40
Q

The telescopic taper attachment differs from the plain taper attachment in which of the following ways?

A

A cross-feed screw telescopes internally

41
Q

A faceplate provides a reference surface that is perpendicular to the lathe’s

A

Spindle axis

42
Q

When truing a faceplate, you should select a _____ tool

A

Broad nosed

43
Q

Large workpieces that pose mounting problems in a chuck can be mounted on a faceplate with

A

Faceplate jaws

44
Q

Faceplate clamps are inserted into

A

The faceplate slots

45
Q

To prevent a workpiece from shifting backwards on a faceplate, you should use a

A

Driver

46
Q

Workpieces that cannot be held against the vertical surface of a faceplate should be mounted on

A

An angle plate

47
Q

You can offset the weight of an angle plate by using a

A

Counterweight

48
Q

Each half of the clamp on a V-block angle plate has

A

V shaped jaws

49
Q

A specialized mandrel for machining eccentric circular areas has more than one set of

A

Center holes

50
Q

When you bore very large workpieces, such as motor housings, on lathe, you should mount them

A

On the carriage