203A Flashcards
pattern development (40 cards)
what type of pictorial drawing shows object as they appear to the eye
A. isometric
B. oblique
C. orthographic
D. perspective
D. perspective
oblique drawings are generally used for objects that:
A. are large and complicated
B. require a great deal of accuracy
C. are small and simple
D. have many angled surfaces to show
C. are small and simple
which type of drawing uses a orthographic view with parallel lines receding off that view?
A. pictural
B. oblique
C. isometric
D. perspective
B. oblique
isometric drawings show horizontal lines receding at :
A. 15 degrees
B. 30 degrees
C. 45 degrees
D. any convenient
B. 30 degrees
drawing using oblique projection are foreshortened to:
A. make drawing look more realistic
B. reduce drawing to scale.
C. avoid the use of break lines
D. allow more room for details
A. make drawing look more realistic
one disadvantage of isometric drawing is that:
A. the top and side faces are distorted
B. the top and front faces are distorted
C. the side and front faces are distorted
D. all of the faces are distorted
D. all of the faces are distorted
one disadvantage of perspective drawing is that:
A. too much detail makes a drawing hard to read
B. the scale varies for one view to another.
C. these drawings cannot be drawn to scale
D. there is no provision for auxiliary views
C. these drawings cannot be drawn to scale
from the following list find 2 true statements regarding orthographic drawings
A. the views are always two-dimensional
B. the dimensions are sometimes distorted
C. they are difficult to dimension
D. circular objects are difficult to draw
E. the reader has to visualize the complete assembly
F. slanted faces cannot be shown true to size
G. circular objects are not shown true to size
H. the use off to many views confuses the reader
A. the views are always two-dimensional
E. the reader has to visualize the complete assembly
in order to have oblique drawings appear true to form, the receding lines are drawn:
A. shorter then the actual length of the part
B. the same as the original length of the part
C. longer than the actual length of the part
D. to coverage, making the drawing look in proportion
A. shorter then the actual length of the part
when dimensioning differs from the convention type, it is called:
A. multiple line dimensioning
B. precision line dimensioning
C. baseline dimensioning
D. horizontal and vertical line dimensioning
C. baseline dimensioning
the purpose of dimensions are to :
A. show hidden features
B. give angular details
C. improve accuracy of fabrication
D. indicate size and location
D. indicate size and location
baseline dimensioning eliminates:
A. the use of metal rule
B. cumulative error
C. tedious work for draftsmen
D. tolerance dimensioning
B. cumulative error
angles are dimensioned using:
A. millimeters
B. degrees
C. inches
D. decimals
B. degrees
A common baseline location is the:
A. tangent line
B. reference line
C. datum line
D. all of the above
all of the above
A hole dimension is expressed as a:
A. radius
B. diameter
C. circumference
D. true arc length
B. diameter
What is an acute angle?
A. less than 45 degrees
B. more than 45 degrees
C. less than 90 degrees
D. more than 90 degrees
C. less than 90 degrees
On an orthographic projection, which views generally represent length of object?
A. front view and top view
B. top view and right side view
C. front view and bottom view
D. left side view and front view
A. front view and top view
The letters “NTS” represent which of the following?
Answers:
A. not too shabby
B. not to scale
C. not too small
D. not true shape
B. not to scale
What happens to the receding lines when foreshortening an oblique drawing at 45o?
A. 2/3 as long as the scale size
B. 1/2 as long as the scale size
C. proportional to the scale size
D. 3/4 as long as the scale size
B. 1/2 as long as the scale size
What will one view of an orthographic projection show?
A. all details in one view
B. as it appears in three dimensions
C. only two dimensions of any three dimensional object
D. all lines drawn at 30 degrees to the horizontal plane
C. only two dimensions of any three dimensional object
How are circles dimensioned?
A. radius and focal point
B. diameters and location of their center
C. using hidden lines showing centers
D. measuring circumference
B. diameters and location of their center
What will one view of an orthographic projection show?
A. all details in one view
B. as it appears in three dimensions
C. only two dimensions of any three dimensional object
D. all lines drawn at 30 degrees to the horizontal plane
C. only two dimensions of any three dimensional object
What are the receding lines on an oblique drawing usually drawn at?
A. 15o
B. 22 1/2o
C. 25o
D. 45o
D. 45o
Which type of drawing uses one orthographic view with parallel lines receding off that view:
A. pictorial
B. oblique
C. isometric
D. perspective
B. oblique