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WorksheetsFinal Exam Study Guide [Technical Drafting]
Total questions: 67
Worksheet time: 50mins
Which of the following is not one of the Design Process Stages?
Problem identification
Compromise solution
Working drawings
Digital database
Prototypes
In the United States, all of the following organizations are involved in establishing standards except:
ANSI
ANSDM
ASME
ASEE
SAE
Concurrent engineering is a systematic approach that integrates the design and manufacture of products with the goal of optimizing all elements involved in the life cycle of the product.
True
False
The purpose of technical drawings is for visualization, communication, or documentation.
True
False
The two main types of projection are:
Orthographic and isometric
Cabinet and third angle projection
First and third angle projection
Parallel and perspective projection
Cavalier and three point perspective projection
Which scale has 11 scales and expresses measurements in feet and inches?
Architect’s scale
Engineer’s scale
Metric scale
Mechanical engineer’s scale
Mapping scale
A line described as a thick line with dashes approximately ¼” long, having arrows perpendicular to the line best identifies a:
Short break
Visible line
Cutting plane line
Chain lines
Phantom line
Of the following listed grades, which has little usefulness in mechanical drawing?
4H
2H
H
HB
3B
Which of the following is a preferred metric scale?
1:62500
1/8"=1'-0"
1"=100'
1:20
1/4"=1'
Construction lines should be drawn using a/an___________ lead.
4H
2H
H
HB
3B
Most hand-drawn lettering is done at a height of 1/8".
True
False
When lettering text, space the letters so that the space between the letters is always equal.
True
False
Avoid using an inclined fraction bar when lettering fractions.
True
False
The main outlines of an object that separate it from the surrounding space defines:
Ellipsoid
Stippling
Edge
Negative space
Contours
A “straight line” is most often defined as:
The shortest distance between two points
The end of an edge of an object
The intersection of two short lines.
Supplementary angles
An angle having 180 degrees
Two angles, when added together, equal 90 degrees. This relationship is said to be:
Acute
Complementary
Supplementary
Forming a vertex
Obtuse
All of the following lines should be drawn thin and dark except:
Hidden lines
Extension lines
Centerlines
Phantom lines
Visible lines
Regarding Isometric views, which of the following statements IS not true?
Hidden lines are omitted unless they are needed to make the drawing clear.
Centerlines are drawn if they are needed to indicate symmetry.
Nonisometric points and surfaces may be located by the offset location method.
Angular measurements may be measured directly.
The isometric axes form angles of 120°
The “four-center method” is a procedure for drawing:
Circles
Ellipses
Irregular curves
Lines at proportional distances.
Angles at proportional distances
Isometric drawings are well suited for
Floor plans
Plot plans
Exploded assembly views
Auxiliary views
Working drawings
All objects have _____ principal views.
One
Two
Three
Five
Six
Which of the following statements is not true?
Centerlines are used to indicate symmetry.
Centerlines are useful in dimensioning.
Centerlines are always used on fillets and rounds.
Centerlines are typically used with location dimensions.
Centerlines extend beyond the symmetric feature.
Which of the following statements is not true?
Leave a gap whenever a hidden line is a continuation of a visible line.
The front view is usually indicated by the object in its operating position.
Any one view of a three-dimensional object shows only two dimensions.
Shading is often used to show depth on a working drawing.
The depth in the top and side views must always be equal.
A hole that appears as a circle in the top view is indicated in the front view with two hidden lines.
True
False
The right-side view shows length and depth
True
False
A miter line may be used to transfer measurements between the top and right-side view.
True
False
Whenever possible, you should select views that show features as visible lines.
True
False
The front view should show the object in a usual, stable, or operating position.
True
False
An angled surface, used on cylinders
Chamfer
Spotface
Fillet
Flange
A shallow recess used to provide a good bearing surface for a fastener
Spotface
Fillet
Counterbore
Bushing
A rounded interior blend between surfaces
Fillet
Flange
Counterbore
Bushing
A flattened collar or rim
Flange
Counterbore
Spotface
Fillet
A cylindrical recess around a hole
Counterbore
Boss
Bushing
Chamfer
A hollow cylinder that is often used as a protective sleeve
Bushing
Flange
Spotface
Boss
A short raised protrusion above the surface of a part.
Boss
Counterbore
Spotface
Flange
When a plane surface is tangent to a contoured surface, a line is drawn to show the point of intersection.
True
False
Runouts are used to represent fillets that connect with plan surfaces tangent to cylinders.
True
False
A removed view may be used to show a feature of the object more clearly.
True
False
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:
Half section view
Revolved section view
Removed section view
Aligned section view
Full section view
Which of the following sectional views does not require a cutting plane line?
Half section view
Full sections
Broken-out sectional view
Aligned sectional view
Removed section
All the following statements regarding sectional views is correct except:
All visible edges and contours behind the cutting plane should be shown.
The type of cutting plane symbol you use depends on the type of sectional view to be shown.
Each section is completely independent of the other and drawn as if the other were not present.
Hidden lines are omitted in sectional views.
The arrows on a cutting plane indicate the viewing direction.
Which of the following statements is true regarding sectional views?
Thin features should not be section lined.
Offsets in the cutting plane are always at 90 and should always be shown in the sectional view.
Section lines are drawn thick and approximately 3/32" apart.
Dimensioning lines frequently cross section lines.
Section lines should be spaced proportional to the feature they are hatching.
All of the following are elements of section views except:
Cutting plane line
Hidden lines
Arrowheads
Section lines
Letter identifiers, such as A-A
In the final drawing, cutting plane lines should be drawn thick.
True
False
All visible edges and contours behind the cutting plane should be shown.
True
False
Where mating surfaces meet in assembly drawings, no change is indicated in the section lines.
True
False
The cutting plane line and arrowheads are drawn thin, like the centerline.
True
False
Typically circular objects are drawn using half sections where required.
True
False
An auxiliary view is always drawn:
Perpendicular to the inclined surface
Parallel to the inclined surface
At half scale
Aligned with the front view
With 2" between the view of projection and the auxiliary view
A line used for transferring distances is called a
Cutting plane line
Construction line
Extension line
Edge line
Reference line
The angle between two planes is called:
Complementary angles
Supplementary angles
Dihedral angles
Right angles
Obtuse angles
Which of the following statements is not true regarding auxiliary views?
Auxiliary views are drawn to show true size and shape.
Never draw a break line coinciding with a visible line or a hidden line.
Hidden lines are seldom drawn in auxiliary views.
The auxiliary view projected from a secondary auxiliary view is called the “trimetric auxiliary view".
An auxiliary view projected from the front view shows the depth of the object.
Auxiliary views are used for all of the following, except
True size of a plane
Edge view of a plane
Point view of a line
True size of the dihedral line
True length of a line
Auxiliary views are often used to produce views showing:
True length of a line
Point view of line
Edge view of a plane
True size of a plane
All of the above
Triangulation is a method of dividing a surface into a number of triangles and transferring them to a development.
True
False
A surface that may be unfolded or unrolled to coincide with a plane is said to be a developable surface
True
False
When drawing auxiliary views, hidden lines should be included to clarify the data in the drawing.
True
False
Reverse construction refers to the technique of creating the auxiliary view first and then projecting to the principal views
True
False
What is the minimum distance between parallel dimensions?
1/8"
1/4"
3/8"
1/2"
3/4"
Arcs are usually dimensioned using ______________.
A general note
The diameter
The chord
The circumference
The radius
Rounds and fillets are usually dimensioned using _____________
A specific note
A general note
The nominal diameter
Either a radius or diameter
The craftsperson’s experience
When a dimension is enclosed in parentheses, it indicates:
Mating dimensions
Reference dimensions
Chain dimensions
Superfluous dimensions
Local notes
A dimension or note that applies to a specific item is called a:
Mating dimension
Reference dimension
Chain dimension
Superfluous dimension
Local note
A beveled or sloping edge on a hole is a:
Knurl
Keyway
Taper
Chamfer
Datum
Good dimensioning practice requires the student to:
Learn correct technique
Learn the rules of placement
Learn the choice of dimension
All of the above
When making leaders, make them:
Cross each other
Horizontal or vertical
Near each other and parallel
Through a corner of the view
Longer than needed
Which of the following statements about placing dimensions is true?
Dimension lines may be joined end to end with a line of the drawing.
Avoid placing dimensions on the drawing.
Leaders may be drawn horizontally if adjacent leaders are also drawn horizontally.
Fraction bars should be inclined except where the text is not clear.
Always include unit marks in machine drawings.
