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6 Month 5 > TPC 315 Machine Shop Practice > Flashcards

TPC 315 Machine Shop Practice Flashcards

1
Q

Iron parts are usually made from

Barstock
Castings
Forgings
Sheet

A

Castings

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2
Q

What do the last two digits of the SAE steel code indicate?

Brinell hardness
Percentage of carbon
Percentage of alloy
Weight per foot

A

Percentage of carbon

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3
Q

The ability of a steel to resist cutting and scratching is called

Ductility
Elasticity
Hardness
Strength

A

Hardness

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4
Q

The process that eliminates brittleness in a steel is

Annealing
Case hardening
Cold working
Tempering

A

Tempering

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5
Q

To remove cast iron chips safely from a machine, you should use (a)

Brush
Compressed air
hook
Scraper

A

Brush

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6
Q

What tool should you use to lay out and measure distances?

Dividers
Hemaphrodite caliper
Outside caliper
Template

A

Dividers

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7
Q

To prevent cast iron surface plates from rusting, coat them lightly with

Grease
Oil
Shellac
Wax

A

Oil 

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8
Q

To raise a surface gauge for measuring above its height, support it on (a)

Box parallels
Pair of V-blocks
Right-angle plate
Surface plate

A

Box parallels

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9
Q

The distance between the centers of two adjacent holes on a bolt circle is the

Chord or pitch chord
Diagonal
Diametral pitch
Pitch diameter

A

Chord or pitch chord

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10
Q

You should carry pointed tools in a tote box or in a

Cloth bag
Deep tool box
Drawer-type chest
Pouch fastened to your belt

A

Pouch fastened to your belt 

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11
Q

The part of a lathe that holds the dead center is called the

Tail center
Tail grip
Tailpiece
Tailstock

A

Tailstock

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12
Q

To remove a live center from a lathe, you should tap it with a

Chuck key
Knockout bar
Piece of barstock
Rawhide hammer

A

Knockout bar

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13
Q

What should you use to remove a chuck that screws on a lathe spindle?

Block of wood
Length of chain
Piece of angle iron
Spanner wrench

A

Block of wood

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14
Q

To mount a workpiece on a machine table, you should hold it in a

Chuck
Collet
Hold-down
Vise

A

Vise

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15
Q

A view showing a portion of a part cut away is a

Plan view
Proportion
Section
Sketch

A

Section

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16
Q

The two dimensions of a cylinder are its and its

Diameter …….. length
Diameter ……… radius
Inside ………….. outside diameter
Width…………….. diameter

A

Diameter………. Length

17
Q

A name for the degree of accuracy needed for a part to function is

Allowance
Fit
Precision
Tolerance

A

Precision

18
Q

The index line of a micrometer is divided into 40 parts per inch. Each turn of the micrometer thimble moves the spindle

0.004 in.
0.010 in.
0.025 in .
0.040 in.

A

0.025 in.

19
Q

What does a toolmaker use to check the accuracy of gauges?

Micrometer caliper
Vernier scale
Gauge blocks
Steel rule

A

Gauge blocks

20
Q

When you grind the end of a high-speed steel tool, the steel

Creates a foul smell
Gives off dark red sparks
Smokes excessively
Turns black

A

Gives off dark red sparks

21
Q

The surface of the tool shank that supports the cutting tip is the

Base
Face
Land
Rake

A

Base

22
Q

The proper surface of a wheel to use for grinding high-speed steel tools is the

Edge
Face
Flats
Side

A

Face

23
Q

What does A represent in a grinding wheel code marked A 60 N 10 V W?

Coarse or fine
Grade or hardness
Type of abrasive
Type of bond

A

Type of abrasive

24
Q

The process of cleaning up an uneven edge formed by grinding is called

Buffing
Glazing
Honing
Scraping

A

Honing

25
Q

The metal column that separates the flutes of a drill is called the

Helix
Land
Shank
Web

A

Web

26
Q

The points of most general purpose twist drills have an included angle of degrees

29
59
88
118

A

118

27
Q

A flaring cup grinding wheel produces a relief that is

Concave
Convex
Flat
Tapered

A

Flat

28
Q

Machine countersinks have an included angle of to degrees

15 ……. 20.
30 …….. 41
45 ……… 62
60 ………. 82.

A

60……… 82

29
Q

To remove burrs in a machine spindle, you should use a(n) reamer

Machine
Tapered pipe reamer
Tapered
Expansion

A

Tapered

30
Q

For boring operations on a lathe, you should hold the workpiece in a

Chuck
Collet
Hold-down
Vice

A

Chuck

6 Month 5 (8 decks)

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