First Year > Measuring Tools > Flashcards

Measuring Tools Flashcards

(43 cards)

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1
Q

What measurements require which three (3) elements?

A
  • the part
  • the measuring device
  • a standard (device to measure against)
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2
Q

The four (4) common rule types are?

A
  • Spring Tempered rule
  • Flexible rule
  • Narrow Rule
  • Hook rule
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3
Q

What are the types of precision calipers?

A
  • Vernier caliper
  • Dial caliper
  • Electronic digital caliper
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4
Q

What are the parts of the vernier height gauge?

A
  • base
  • beam
  • vernier slide
  • scriber
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5
Q

What are the parts of a micrometer?

A
  • spindle and timble
  • anvil
  • ratchet
  • locknut or lever
  • sleeve
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6
Q

What are the caliper’s style?

A
  • Spring caliper
  • Firm joint calipers
  • lock joint transfer calipers
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7
Q

What are three (3) styles of small hole gauges?

A
  • twin ball
  • hardened ball
  • half ball
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8
Q

Dial indicators are available in?

A

continuous and balanced style

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9
Q

List three (3) types of dial indicators

A
  • bottom plunger
  • test indicators
  • back or black plunger
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10
Q

The two (2) types of squares are?

A
  • solid square

* combination square

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11
Q

Three (3) common style of graduations are?

A
  • imperial (inch) fraction
  • imperial (inch) decimal
  • metric
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12
Q

The vernier scale of a universal bevel protractor has two scales, each with how many graduations?

A

12 graduations

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13
Q

What are the type of errors that you might encounter when using dial indicators?

A
  • spindle travel

* cosine error

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14
Q

What is spindle travel?

A

is when the spindle travels, the greater the distance there is to travel, the more errors can creep into an indicator reading

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15
Q

What is cosine error?

A

Cosine error is when the axis of the linear measurement is not in line with the axis of measurement
developing an exaggerated measurement

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16
Q

A vernier micrometer uses a scale of?

A

.0001 inch or .002 mm

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17
Q

What do dial calipers used to move around the face of a dial?

A

a rack and pinion

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18
Q

Height gauges are used for what type of layout?

Study These Flashcards
A

Precision layout

19
Q

You should never use dial test indicators for?

Study These Flashcards
A

Direct linear measurement

20
Q

Each vernier scale graduation on a 50 division metric vernier height gauge is equal to what part in mm?

21
Q

What are the marking on a ruler called?

22
Q

What are the two(2) types of tapes?

Study These Flashcards
A
  • short line

* long line

23
Q

What are the types of readings that a vernier caliper can perform?

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A
  • inside measurements
  • outside measurements
  • depths measurements
24
Q

Plate protractors and bevel protractors measure angles to what degrees?

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A

1° or one degree

25
Steel rules are usually?
6 inches
26
The most common unit used for angler measurements is?
degree
27
Universal bevel protractors can discriminate to what degree?
5 minutes of a degree
28
The imperial micrometer uses a screw thread with a pitch of?
.025 inch
29
Why is inside measurement more difficult to take than the outside measurements?
space is limited, and it can be difficult to align with the true diameter
30
What are the two (2) ways to apply proper force to a micrometer?
*ratchet stop and *the feel method
31
What is the best way to apply force to a micrometer?
ratchet stop method
32
Thickness gauges are also called the?
Feeler gauges
33
How is a reading taken with a micrometer?
by noting the position of the thimble against the sleeve
34
If a 1 inch micrometer does not read zero when you close it, you must adjust the?
sleeve
35
The plate protractor is also known as the?
Steel protractor
36
One complete revolution of the micrometer thimble increases and decreases the distance between measuring faces by?
.025 inch
37
What micrometers offers the most accurate readings?
Vernier micrometer
38
On the micrometer spindle there are, how many threads per inch?
40 threads per inch
39
After laying out the circumference of a hole with a pair of dividers, you should?
Prick punch witness marks around the circumference
40
Trammels are used when?
when you want to make a larger hole than the capacity of a scriber
41
When the axis of the dial indicator is not parallel with the axis of measurement, the result is?
an exaggerated reading. usually larger
42
What is the most common dial reading indicator use for shaft alignment?
The Black Plunger Dial test indicators
43
What is the most accurate tool used for scribing lines parallel to an edge?
the surface gauge
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