design tech test 3/9

The section lines in ALL hatched areas for an object must be parallel, including an assembly of multiple parts. For example, you cannot do this on a drawing:

(T/F)

false

The preferred cutting plane line style is made up of equal dashes ending in arrowheads.

(T/F)

true

Which line is preferred for use as a cutting plane line, a or b?

A) (1.5 mm, 6mm)

B) (3mm, 1.5mm, 20 to 40mm)

A

The designer added a ___________ to the right side view (making it shorter).

Full Half Aligned Broken-Out Revolved Offset Removed Cropped Break Front Right Side Auxiliary

Break

The view that is ONLY a circle with a center mark (no cross-hatching) is a __________ view

Full Half Aligned Broken-Out Revolved Offset Removed Crop Break Front Right Side Auxiliary

Front

In offset sections, the bends in the cutting plane are typically shown in the sectional view.

(T/F)

false

Quarter sections expose the interior of one half of the object and the exterior of the other half.

(T/F)

false

When a part is cut fully in half, the resulting view is called a half section.

(T/F)

false

The cutting plane is shown in a view adjacent to the sectional view.

(T/F)

true

The view with all the cutting plane lines (dashed with arrowheads) is the ___________ view

Full Half Aligned Broken-Out Revolved Offset Removed Crop Break Front Right Side Auxiliary

right side

Ribs, webs, gear teeth, and other similar features are typically not hatched with section lining, even if the cutting plane slices them.

(T/F)

true

View D-D is an ___________ view that has been _____________ . (Select 2 answers)

Full Half Aligned Broken-Out Revolved Offset Removed Cropped Break Front Right Side Auxiliary

Cropped, Auxiliary

When a cutting plane coincides with a center line, the cutting plane line takes precedence.

(T/F)

true

Removed sections should be labeled and arranged in order from right to left.

(T/F)

false

A section-lined area is always completely bounded by a visible outline.

(T/F)

true

When a cutting plane line would obscure important details, just the ends of the line outside the view and the arrows can be shown.

(T/F)

true

It is not acceptable to use the general-purpose symbol (cross-hatching) at different angles for different parts. For example, you cannot do this on a drawing:

(T/F)

false

The visible edges of the object behind the cutting plane are not crosshatched.

(T/F)

true

The angle of revolution should always be less than 45 degrees for an aligned section.

(T/F)

false

The visible lines adjacent to a revolved section may be broken out if desired...like this

(T/F)

true

Hidden lines are typically included in section views.

(T/F)

false

The view with the cross-hatching is a _____________ section. (triangle section drawing thing)

Full Half Aligned Broken-Out Revolved Offset Removed Cropped Break Front Right Side Auxiliary

revolved

This is a(n) _____________ section view. (arrow that goes up-down-middle-down ^--__)

Full Half Aligned Broken-Out Revolved Offset Removed Cropped Front Right Side Auxiliary Break

offset

Section A-A is a __________ section view

Full Half Aligned Broken-Out Revolved Offset Removed Crop Break Front Right Side Auxiliary

removed

The designer added 2 ___________ sections to the right side view to show the internal holes.

Full Half Aligned Broken-Out Revolved Offset Removed Cropped Break Front Right Side Auxiliary

Broken-Out

What does the cutting-plane line represent?

The cutting-plane line represents the imaginary cutting line of the object, in order

to show the inside features of the object. The arrows indicate the viewing direction.

seven different types of sections (theres more)

full, half, broken-out, revolved, removed, offset, aligned

Which sectional views are used to replace an existing primary view? Which

sectional views are used in addition to the primary views?

Most commonly, Full sections, Half sections, and Aligned sections replace a primary view. A Revolved section may also remove the need for a primary view

How much of an object is imagined to be cut away in a half section?

1/4th

What type of line is used to show the boundary of a broken-out section?

short-break line

A view in which the cutting plane is bent passing though selected features of the

object and then removed to be on the original plane is a:

a. half section view

b. revolved section view

c. removed section view

d. aligned section view

e. full section view

D. aligned section view

All of the following are elements of section views EXCEPT:

a. cutting plane line

b. hidden lines

c. arrowheads

d. section lines

e. letter identifiers, such as A-A

b. hidden lines

When section lines are drawn, the space between cross-hatch lines should be

approximately ____0._______

0.10

The section view which is usually limited to symmetrical objects is the...

half section

The section view that does NOT use a cutting plane line and is limited by a break line is called a...

broken out

A cutting plane line that is NOT straight, and is offset or bending through the object is typically of an ______ section.

offset

A break used on cylindrical shafts or tubes are referred to as...

S-break

In the final drawing, cutting plane lines should be drawn thick.

(T/F)

true

The cutting plane line and arrowheads are drawn thin, like the centerline.

(T/F)

false

When a part is cut fully in half, the resulting view is called a half section.

(T/F)

false

The cutting plane is shown in a view adjacent to the sectional view.

(T/F)

true

The visible edges of the object behind the cutting plane are not cross-hatched.

(T/F)

true

When a cutting plane coincides with a centerline, the cutting plane line takes precedence.

(T/F)

true

Section views cannot replace the normal top, front, side, or other standard orthographic views.

(T/F)

false

The section lines in all hatched areas for an object must be parallel.

(T/F)

true

The preferred cutting plane line style is made up of equal dashes ending in arrowheads.

(T/F)

true

It is not acceptable to use the general-purpose symbol (cross-hatching) at different angles for different parts.

(T/F)

false

Quarter sections expose the interior of one half of the object and the exterior of the other half.

(T/F)

false

Omit hidden lines from both halves of a half section whenever possible.

(T/F)

true

The visible lines adjacent to a revolved section may be broken out if desired.

(T/F)

true

In offset sections, the bends in the cutting plane are typically shown in the sectional view. (T/F)

true

Removed sections should be labeled and arranged in order from right to left.

(T/F)

false

Ribs, webs, gear teeth, and other similar features are typically not hatched with section lining, even if the cutting plane slices them.

(T/F)

true

The angle of revolution should always be less than 45 degrees for an aligned section.

(T/F)

false

In the section view, the areas that would have been in actual contact with the

cutting plane are shown with:

a) A cutting plane line

b) Section lining

c) Visible lines

d) Lines and arrows

b) section lining

Objects that are symmetric can be shown effectively using this type of section:

a) Quarter section

b) Half section

c) Full section

d) Symmetric section

b) half section

In this type of section, one quarter of the object is removed:

a) Revolved section

b) Removed section

c) Quarter section

d) Half section

half section

This type of section is limited by a break line:

a) Removed section

b) Revolved section

c) Broken-out section

d) Half section

c) Broken-out section

This type of section is not in direct projection from the view containing the

cutting plane:

a) Revolved section

b) Removed section

c) Broken-out section

d) Full section

b) Removed section

In offset sections, offsets or bends in the cutting plane are all:

a) 90 degrees

b) 180 degrees

c) Either 90 or 180 degrees

d) 30, 60, or 90 degrees

90 degrees

These breaks are used to shorten the view of an object:

a) Section breaks

b) Aligned breaks

c) Conventional breaks

d) Full breaks

c) conventional breaks

A beveled or sloping edge is referred to as a:

chamfer

Spacing of the dimension lines should be uniform throughout the drawing and at least ________ inch(es) apart

0.25

Which of the following statements about dimensioning is TRUE?

Centerlines are often extended from view to view

Avoid dimensioning to hidden lines and hidden features.

A dimension may be attached to a single view or adjacent views.

Dimension lines are often joined end to end in chain fashion with object lines.

Avoid dimensioning to hidden lines and hidden features.

Which of the following statements is FALSE?

Avoid crossing dimensioning lines.

It is OK to cross extension lines.

When extension lines and center lines cross object lines, a small gap should be left.

The shortest dimensions are located nearest to the object outline.

When extension lines and center lines cross object lines, a small gap should be left.

Dimensions given for information only, and not intended to be measured nor govern the manufacturing process are referred to:

datums

baselines

starting dimensions

reference dimensions

reference dimensions

The dimension line nearest the object should be at least _______ inch(es) from the object.

3/8

What is the size of the gap between the object and an extension line in inches?

1/16

Reference dimensions (dimensions in parenthesis) can be used to manufacture the part.

(T/F)

false

When dimensions are grouped in parallel lines, the numerals should be stacked, one above the other.

(T/F)

false

Notes are classified as "local notes" when they apply to an entire drawing.

(T/F)

false

Dimensions should be attached to the view in which you see the contour.

(T/F)

true

Dimensions should always be placed on lines that form a "T".

(T/F)

false

Locating dimensions should always originate from a finished/longest edge where possible.

(T/F)

true

Which projection do we use in our class?

first angle

third angle

third angle

Which projection is shown here?

(top left) right-side view --- front view

symbol --- top view (bottom right)

FIRST OR THIRD ANGLE

first angle

Which projection is shown here?

(top left) top view --- symbol

front view --- right-side view (bottom right)

FIRST OR THIRD ANGLE

third angle