120102a Flashcards
The type of line used to show an alternate position of an object is
A) phantom line
B) hidden line
C) section line
D) leader line
A) phantom line
A brake line is used to
A) show where a piece is to be cut
B) show where pieces are to be welded
C) conserve space on the drawing
D) show the location of a surface area
C) conserve space on the drawing
Two line types that are usually used together
A) leader lines, and object lines
B) visible lines and object lines
C) leader lines, and section lines
D) dimension lines, and extension lines
D) dimension, lines, and extension lines
A line that may be used for dimensioning or adding a note is a/an:
A) extension line
B) section line
C) brake line
D) leader line
D) leader line
Lines used on a drawing to show the shape or outline of an object are called
A) object and hidden lines
B) object and dimension lines
C) visible, and viewing plane lines
D) viewing plane and hidden lines
A) object and hidden lines
A cut surface is highlighted by using
A) a cutting plain line
B) leader lines
C) brake lines
D) section lines
D) section lines
Cutting line is used to identify a:
A) developed view
B) revolved section
C) sloped surface
D) section view
D) section view
Who is responsible for preparing a set of plans for a welded structure?
A) the customer
B) the employer
C) the engineer
D) the draftsman
C) the engineer
What is the main purpose of a drawing or blueprint?
A) to keep the engineers designs in the office
B) to ensure the engineer is present during fabrication
C) to provide communication to the draftsman
D) to provide communication to the shop fabricator
D) to provide communication to the shop fabricator
Which working drawing would provide you with information on the size of C shape used in the construction of a buildings roof:
A) architectural drawing
B) structural drawing
C) mechanical drawing
D) electoral drawing
B) structural drawing
Which term describes a set of written instructions that are necessary to complete a particular job
A) specifications
B) weldments
C) draftsmen
D) blueprints
A) specifications
Leader lines are used:
A) save space on a drawing
B) point directly to a surface
C) showing an alternative position of a part
D) show the visible shape of an object
B) point directly to a surface
An object line is a line that:
A) shows edges and outlines not visible to the eye
B) shows the visible shape of a part
C) has an arrow on one end and points to a surface
D) locates the centre of holes or slots
B) shows the visible shape of a part
A broken line of medium thickness ( example - - - - -) is called
A) hidden line
B) centreline
C) phantom line
D) extension line
A) hidden line
Which statement describes a centreline?
A) , straight line with an arrowhead one end, usually drawn at an angle
B) series of fine lines, solid, or solid and broken, arranged in a specific pattern
C) fine broken line made up of a series of short and long dashes alternately spaced
D) thick broken line made up of a series of short, long dashes alternately space
C) fine broken line made up of a series of short and long dashes alternately spaced
Which statement best describes extension lines?
A) light, broken lines used to show hidden parts
B) heavy, broken lines used to show hidden parts
C) heavy, continuous line used to outline and object
D) lines used to show size and location dimensions
D) lines used to show size and location dimensions
Where is the title block located on a drawing or blueprint?
A) top left corner
B) top right corner
C) bottom right corner
D) bottom left corner
C) bottom right corner
Where is the scale shown on a drawing or blueprint?
A) in the bill of materials
B) in the title block
C) with the detail
D) just left of the title block
B) in the title block
A dimension marked in red or yellow on a blueprint indicates:
A) The measurement is made after welding
B) an error has been found on the print
C) the dimension is very important
D) no shrinkage tolerance is allowed
B) an error has been found on the print
What is used when the scale on a drawing is too small to clearly show all of the information of a complicated part?
A) a detailed drawing
B) a full section view
C) an auxiliary view
D) revolved section view
A) a detailed drawing
What do the arrows indicate when using a cutting plane line to show a full section view?
A) the direction of travel
B) the direction. The part is revolved.
C) the direction of offset
D) the direction of sight
D) the direction of sight
In which view is a portion of the object rotated in order to maintain a straight axis and make the drawing easier to read?
A) auxiliary view
B) developed view
C) revolved view
D) untrue projection
C) revolved view
Briefly explain why millimetres are the only unit used for dimensioning metric drawings
Work can be done with reasonable accuracy, and without confusion or errors
A precision dimension is usually expressed in
A) fractions
B) decimals
C) feet and inches
D) meters, and millimetres
B) decimals
What does line #1 indicate
a) center line
b) hidden line
c) object line
d) leader line
c) object line
What does line #2 indicate
a) center line
b) hidden line
c) object line
d) leader line
b) hidden line
What does line #3 indicate
a) center line
b) hidden line
c) object line
d) leader line
a) center line
3 versions of center lines.
See page 9
What 2 lines does #4 indicate
a) center line
b) dimension line
c) cutting / viewing plane line
d) extension line
b) dimension & d) extension lines
What does line #5 indicate
a) center line
b) leader line
c) object line
d) cutting / viewing plane line
b) leader line
What does line #6 indicate
a) center line
b) leader line
c) object line
d) cutting / viewing plane line
d) cutting / viewing plane line
What does line # 1 indicate
a) long break line
b) phantom line
c) short break line
d) cutting / viewing plane line
c) short break line
What does line #2 indicate
a) long break line
b) phantom line
c) short break line
d) cutting / viewing plane line
a) long break line
What does line #3 indicate
a) long break line
b) phantom line
c) short break line
d) cutting / viewing plane line
b) phantom line
What does line #4 indicate
a) long break line
b) phantom line
c) short break line
d) center line
d) center line
3 versions of center lines.
See page 9
What does line #5 indicate
a) long break line
b) phantom line
c) short break line
d) center line
d) center line
3 versions of center lines.
See page 9
Line type: _____________
Description: Thick line
Purpose: to show the visible shape of a part
Object Line
Line type: _____________
Description: broken line of med thickness
Purpose: to show edges and outlines not visible
Hidden Line
Line type: _____________
Description: fine, broken line made up of a series of short and long dashes alternately spaced
Purpose: to show the center of circles
Center lines
Line type: _____________
Description: are fine lines, which extend from the object with a slight break between
Purpose: show the dimensioning points
Dimension Lines
Line type: _____________
Description: are fine lines with arrowheads
Purpose: touch the extension lines & show distance by given dimensions.
Dimension lines
Line type: _____________
Description: is used outside the object
Purpose: indicates where the imaginary cut is made through an object. Arrows show the direction its viewed from.
Cutting or viewing plane line
Line type: _____________
Description: Heavy irregular line drawn freehand
Purpose: conserve space in drawing & ends a partial section
Short break line
Line type: _____________
Description: ruled light lines with freehand zig zags
Purpose: conserve space & may end a partial section
Long Break Line
Line type: _____________
Description: light broken line of a series of 1 long and 2 short dashes
Purpose: to show alternate positions of a part
phantom line
What type of metal does this image indicate? (3)
Cast iron
malleable iron
general use for all materials
What type of metal does this image indicate? (4)
Copper
Bronze
Brass
Compositions
What type of metal does this image indicate? (1)
Steel
Who draws up the plans?
a) welder
b) site manager
c) engineer
d) draftsman
d) draftsman
what are copies of the original drawing called?
blueprints
Blueprints use a sign language that is precise and exact.
True or False
True & the language is universally accepted
____ are written requirements/ instructions for that particular job.
a) structural drawings
b) specifications
c) blueprints
d) drawings
b) specifications
* these may be separate from the plans or be printed on them
List 3 things that may be included as a specification.
- the kind of material used
- the welding processes
- the type of the filler metal
If there is a discrepancy between the drawings and the specifications, which one is considered to be correct?
specifications are usually assumed to be correct however check with the engineer or architect
There are 5 types of drawings what are the top 3?
Mechanical
Electrical
Landscaping
Structural
Architectural
Mechanical drawings show all required mechanical components of the building.
eg. water supply and waste disposal lines
True or False
True
Electrical drawings locate the various outlets, indicate the routing of circuits, show the location and size of panel boards and illustrate the other electrical details.
True / False
True
Landscaping Drawings, show the elevations of the ground that surround the building.
True / False
True
_______ convey the shape of an object, aid in dimensioning the object and are used in the formation of symbols
lines
_______ give sizes and locations
dimensions
_____ give detail of construction not shown by lines. They may be symbols or abbreviations.
Notes
How many different views are available for blue prints.
4
* auxiliary view,
* developed view,
* revolved view or
* untrue projection.
Which blueprint view does the following describe?
To show the true size and shape of a slanted surface, an ______ view is drawn.
a) untrue projection
b) auxiliary view
c) revolved view
d) developed view
b) auxiliary view
Which blueprint view does the following describe?
_____ is a view of a part as it appears when stretched or laid out on a flat surface. This view shows the part before it is shaped by bending, rolling or any other fabrication method.
a) untrue projection
b) auxiliary view
c) revolved view
d) developed view
d) developed view
also called development view it illustrates the part exactly as it must be prepared before any bending or rolling is performed.
In a _____ view, a portion of the object is rotated to obtain a straight axis for better detail and dimensioning.
a) untrue projection
b) auxiliary view
c) revolved view
d) developed view
c) revolved view
A ______ view, is any view seen when a portion of the object nearest the observer is imagined to be removed by means of cutting planes. This view reveals the object’s interior construction.
a) offset projection
b) full section view
c) half section view
d) section view
d) section view
A _______ is a view of an object that is imagined to be cut through top to bottom, but not necessarily through the centre.
a) offset projection
b) full section view
c) half section view
d) section view
b) full section view
A _________ is a view that is imagined to be cut only half way through.
a) offset projection
b) full section view
c) half section view
d) section view
c) half section view
How many different section views are there?
2
3
4
5
5
Full Section
Half Section
Offset Section
Revolved Section
Aligned Section
In an _________, the cutting plane line does not need to be continuous, but may be offset or may change direction.
Full Section
Half Section
Offset Section
Revolved Section
Aligned Section
Offset Section
If a true cross-sectional appearance is desired, then a ______ is employed and the section view is _______ 90°.
Full Section
Half Section
Offset Section
Revolved Section
Aligned Section
Revolved Section, revolved
When a revolved projection is incorporated within a sectional view, it is called an ______ section.
Full Section
Half Section
Offset Section
Revolved Section
Aligned Section
Aligned Section
What type of line is Y?
Which line is a hidden line:
Which line is a viewing plane line:
Which line is a dimension line:
Which line is a section line:
Which line is a cutting plane line:
Which line is an object line:
Which line is a break line:
Which line is a centre line:
Which line is an extension line:
What type of line is Y? - phantom line
Which line is a hidden line: Z
Which line is a viewing plane line: X
Which line is a dimension line: R
Which line is a section line: U
Which line is a cutting plane line: T
Which line is an object line: P
Which line is a break line: W
Which line is a centre line: Q
Which line is an extension line: S
What unit is used on blue prints mostly for small projects & why?
mm are used on blueprints, as it allows reasonable accuracy all dimensions on a drawing are in mm unless specified at that dimension
Imperial dimensions are used for large projects HOWEVER take note if it says 3.5’ or 3’-6” as one would be 3.5 feet and the other 3 feet 6 inches
Where is the bill of materials found on a set of blueprints?
a) top left corner
b) top right corner
c) bill of materials
c) title block
b) top right corner
Where is the title block found on a set of blueprints?
a) top right corner
b) bottom right corner
c) bill of materials
c) title block
b) bottom right corner
Where is the object number found on a set of blueprints?
a) top right corner
b) bottom right corner
c) bill of materials
c) title block
c) bill of materials
Where is the scale found on a set of blueprints?
a) top right corner
b) bottom right corner
c) bill of materials
c) title block
c) title block
Where is the customer name found on a set of blueprints?
a) top right corner
b) bottom right corner
c) bill of materials
c) title block
c) title block
Where is the drawing number found on a set of blueprints?
a) top right corner
b) bottom right corner
c) bill of materials
c) title block
c) title block
Where is the prepared by: found on a set of blueprints?
a) top right corner
b) bottom right corner
c) bill of materials
c) title block
c) title block
The phrase Prepared By, would usually appear in the: (14)
upper right of the drawing
lower left of the drawing
upper left of the drawing
title block
title block
Detail drawings are always made to the same scale as the main drawing. (18)
True / False
False
The preferred method of unit dimensioning for drawings is: (28)
millimeters
centimeters
common fractions
all of the above
millimeters
Parts that require forming or bending are often drawn in a flat layout form and referred to as: (20)
surface views
pre-formed views
developed views
untrue projections
developed views
A broken line of medium thickness is a: (8)
center line
hidden line
phantom line
cutting plane line
hidden line
Original drawings for blueprints are drawn: (4)
on heavy paper
on thin translucent paper
with white ink on blue paper
with blue ink on white paper
on thin translucent paper
Details about the interior construction of an object can be revealed through the use of: (22)
phantom lines
sectional views
auxiliary views
developed view
sectional views
When using CAD: (5)
a) knowledge of blueprint reading is essential
b) knowledge of standard drafting practices is not important
c) draftsman must be drawing prints on the actual jobsite location
d) hard copies are not necessary, all prints are read on the computer
a) knowledge of blueprint reading is essential
A number enclosed in a triangle on a drawing would indicate: (19)
a detailed drawing
an item or mark number for a part
a change has been made to the drawing
the quantity of a part that is required for an assembly
a change has been made to the drawing
CAD is an abbreviation for: (5)
computers and drafting
computer aided drafting
conveyed analytical design
calligraphy assisted drafting
computer aided drafting
The seam line on a vessel: (8)
a) is also called the tangent line
b) is a good reference point to measure from
c) is the line between the head and the shell of the vessel
d) the line that touches the head at the highest point of curvature
c) is the line between the head and the shell of the vessel
Which type of line would indicate the length or size of an object on a drawing? (10)
object lines
auxiliary line
dimension lines
construction lines
dimension lines
Uni-directional dimensions place the numbers: (12)
in the vertical position
below the dimension line
in the horizontal position
in the unique direction of the feature
in the horizontal position
Aligned dimensions place the numbers: (12)
above the arrow
on aligned sectional views
aligned with the horizontal plane
in the direction that the arrows are running
in the direction that the arrows are running
Plans are usually drawn by: (4)
engineers
secretaries
draftsmen
computer technicians
draftsmen
Developed views are used to represent the object: (20)
a) with the aid of a revolved view
b) at various angles of perspective
c) after it has been shaped by rolling or bending
d) before it has been shaped by rolling or bending
d) before it has been shaped by rolling or bending
Which line would reveal the direction of view and show the end portion of an object? (11)
hidden line
section line
phantom line
viewing plane line
viewing plane line
Architectural dimensions are placed: (12)
a) below the arrow
b) in the horizontal direction
c) below the arrow, in the vertical plane
d) beside the arrow, in the same direction as the arrow
d) beside the arrow, in the same direction as the arrow
What type of line is used in conjunction with extension lines? (10)
object lines
sectional views
dimension lines
viewing plane lines
dimension lines
Leader lines can be illustrated with which symbol at the end of the line? (10)
dot
arrowhead
squiggle line
all of the above
all of the above
Cutting plane lines: (11)
a) indicate the outside view of an object
b) are used to conserve space on a drawing
c) examine the internal composition by sawing into a part
d) indicate where an imaginary cut is made through an object
d) indicate where an imaginary cut is made through an object
When working with metric dimensions multiple units are used to dimension drawings. (28)
True / False
False
Which of the following lines would reveal different materials types when viewing an imaginary cut surface on a drawing? (8)
hidden lines
section lines
object lines
leader lines
section lines
On a pressure vessel, which circumferential line is signified by center punch marks? (13)
seam line
datum line
center line
tangent line
datum line
The location of a hole would be indicated using: (9)
leader lines
center lines
hidden lines
cutting plane line
center lines
Which type of view rotates the object to create a straight axis for detail and dimensioning purposes? (21)
a sectional view
an inclined view
a revolved projection
a perpendicular projection
a revolved projection
To show the true size and shape of a slanted surface what type of view is drawn? (19)
a sloped view
an oblique view
an isometric view
an auxiliary view
an auxiliary view
A long break line: (12)
is drawn with freehand zig zags
is used to shorten an object on a drawing
is drawn to conserve space on a drawing
all of the above
all of the above
( the line is ruled however the zigzags are freehand)
Electrical drawings are presented to show: (6)
a) framing plans and details
b) foundation plans and details
c) mechanical components of the building
d) locations of panel boards and other electrical details
d) locations of panel boards and other electrical details
The sign language used on a drawing: (4)
a) is unique to the engineer who issued the drawing
b) is unique to the draftsman who prepared the drawing
c) is universal and readily understood by everyone involved
d) is classified and personal info and not shared with everyone
c) is universal and readily understood by everyone involved
_________ places the numbers inside the arrows with the numbers placed in the horizontal position.
a) aligned
b) architectural
c) unidirectional
unidirectional
________ places the numbers inside the arrows, the numbers are placed in the direction the arrows are running.
a) aligned
b) architectural
c) unidirectional
a) aligned
_______ places the numbers the same way as aligned, using a solid arrow with the numbers beside the arrow instead of inside the arrow.
a) aligned
b) architectural
c) unidirectional
b) architectural
Which type of view is the image
a) aligned
b) architectural
c) unidirectional
c) unidirectional
Which type of view is the image
a) aligned
b) architectural
c) unidirectional
a) aligned
Which type of view is the image
a) aligned
b) architectural
c) unidirectional
b) architectural
