Deck 7: Dimensioning and Notation

Question 1

Knurls can sometimes be used for decoration in addition to their functional purposes.

Answer 1

True

Question 2

When a dimension is less than one meter, a zero should be placed to the left of the decimal point.

Answer 2

False

Question 3

If the dimensions on a drawing sheet must be read from the bottom, what type of orientation subsystem is used?

A)aligned
B)unidirectional
C) multidirectional
D) paradimensional

Answer 3

unidirectional

Question 4

Which of the following is not a type of dimensioning system used on technical drawings in the U.S.:

A)metric dimensioning
B)decimal-inch dimensioning
C) proportional dimensioning
D) fractional dimensioning

Question 5

Nominal dimensions typically express the actual size of the object dimensioned.

Question 6

The continuous feature symbol is the symbolic means of indicating a specified dimension applies across interruptions.

Question 7

This type of dimensioning system is most likely to be used on architectural and structural engineering drawings.

A)proportional dimensioning
B)decimal-inch dimensioning
C) fractional dimensioning
D) metric dimensioning

Question 8

Fractional dimensioning is most frequently used for mechanical technical drawings.

Question 9

A tolerance represents the total amount of variation that is permitted from the design size of the part.

Question 10

A leader line is a thin line that begins horizontally.

Question 11

Parts in the same part family are very similar in design, but may be radically different in production requirements.

Question 12

Decimal-inch dimensioning is still used more than the metric system.

Question 13

Maximum material condition (MMC) is the lower limit for external features and the upper limit for internal features.

Question 14

Which of the following numbers would be representative of a number with a specified tolerance of +/-.001?

A)2
B)2.3
C) 2.37
D) 2.375

Question 15

Detailed notes would be used when there is information that has a job- or project-wide application.

Question 16

Which of the following numbers would be representative of metric dimensioning?

A).0045
B).45
C) 0.4
D) .56

Question 17

There are four dimensioning systems typically used on technical drawings in the United States.

Question 18

The most common termination symbol for dimension and leader lines is the arrowhead.

Question 19

In an interference fit, the clearance represents the maximum amount of interference.

Question 20

A commonly accepted length for arrowheads is:

A)1.2"
B).25"
C) .35"
D) .12"

Question 21

A note that states, "finish this surface," would be an example of what kind of note?

A)general note
B)detail note
C) written note
D) sample note

Question 22

Drill size tolerance charts are necessary because:

A)different drill bits may be used in similar situations.
B)it is often up to the machinist which drill bit to use.
C) a computer-aided manufacturing device is not always available.
D) it is accepted that that no hole is going to be drilled exactly the size specified.

Question 23

To indicate, graphically, the linear distance being dimensioned, a drafter would use:

A)a dimension line
B)a leader line
C) an arrowhead
D) an extension line

Question 24

What is the primary difference between countersunk and counterbored holes?

A)Only counterbored holes can be both flat and at an angle
B)Counterbored holes are flat, while countersunk holes are at an angle
C) Only countersunk holes can be both flat and at an angle
D) Countersunk holes are flat, while counterbored holes are at an angle

Question 25

Which of the following is represented by the dimensioning symbol X?

A)radius
B)spotface
C) number of times-places
D) statistical tolerance

Question 26

A bilateral tolerance is:

A)one in which variation from nominal dimension is allowed in both plus and minus directions
B)the largest and smallest possible size in which a part may be produced and still be usable
C) the total permissible variation in the size of a part

Question 27

A zigzag line on a drawing might indicate which of the following?

A)radius
B)foreshortening radius
C) two or more arcs
D) offset

Question 28

Which of the following is the correct way to dimension a hidden line?

A)provide an overall dimension
B)underline hidden lines with a solid straight line
C) convert it to a sectional view, so you can dimension to a solid line
D) call out the dimension with the term, "MAX"

Question 29

What can be a problem when using chain dimensioning?

A)The first feature may be placed improperly
B)If one feature in the chain is improperly located, successive features will be improperly located
C) Only the first and last features may not line up correctly
D) It is limited to only five successive features

Question 30

Which of the following would be applied to a more general situation in drafting?

A)chord
B)radius
C) arrowhead
D) slope

Question 31

Which of the following is not a typical component common to all dimensioning systems?

A)drafter lines
B)extension lines
C) dimension lines
D) leader lines

Question 32

A _____ resembles a very shallow counterbore.

A)spotface
B)tapered hole
C) concentric arc
D) cylinder

Question 33

What must be included in the hole callout to indicate a blind hole?

A)the diameter of the hole
B)a depth symbol, followed by depth of the hole
C) both A and B
D) none of the above

Question 34

Which of the following is the correct order to follow when laying out dimensions for an object?

A)draw in light guidelines, place light layout lines, darken extension lines, add arrowheads
B)draw in light guidelines, darken extension lines, place light layout lines, add arrowheads
C) place light layout lines, draw in light guidelines, darken extension lines, add arrowheads
D) place light layout lines, add arrowheads, draw in light guidelines, darken extension lines