NEW
Font size
WorksheetsMachine Drawing
Total questions: 28
Worksheet time: 14mins
What is orthographic projection and why is it used in machine drawing?
Orthographic projection is used to add color and texture to the drawing
Orthographic projection is used to show the object in motion
Orthographic projection is used to accurately depict the size and shape of the object from different views.
Orthographic projection is used to create 3D models of the object
Explain the difference between first angle projection and third angle projection.
First angle projection is a 2D drawing method, while third angle projection is a 3D drawing method.
First angle projection is used for small objects, while third angle projection is used for large objects.
First angle projection is commonly used in Europe and Asia, while third angle projection is commonly used in North America.
First angle projection is commonly used in North America, while third angle projection is commonly used in Europe and Asia.
What is a sectional view and when is it used in machine drawing?
A sectional view is a view that shows an object as it would appear if cut by a parallel plane
A sectional view is a view that shows an object as it would appear if cut by an intersecting plane. It is used in machine drawing to show the internal details of the object.
A sectional view is used in machine drawing to show the external details of the object
A sectional view is a view that shows an object from a distance
Describe the purpose of geometric dimensioning and tolerancing (GD&T) in machine drawing.
To add decorative elements to the drawing
To make the drawing more colorful and visually appealing
To confuse the machinist and make the drawing difficult to interpret
To define the nominal geometry of parts and ensure proper fit and function of mechanical components.
What are the different types of tolerances used in GD&T?
Bilateral, unilateral, and limit tolerances
Internal, external, and nominal tolerances
Standard, premium, and custom tolerances
Absolute, relative, and positional tolerances
Explain the importance of assembly drawings in the manufacturing process.
Assembly drawings are important as they provide detailed information about how different parts fit together to form a complete product, ensuring accurate and efficient manufacturing process.
Assembly drawings are not important in the manufacturing process
Manufacturing can be done without assembly drawings
Assembly drawings only add complexity to the manufacturing process
What information is typically included in an assembly drawing?
Assembly technician's name, favorite food, shoe size
Part numbers, dimensions, materials, and assembly instructions
Color of the parts, manufacturer's address, weight
Date of production, serial numbers, customer's contact information
When are detail drawings used in machine drawing?
To show the machine in operation
To provide information about the manufacturing process
To create a rough sketch of the entire machine
To provide specific information about individual parts or components
What are the key components of a detail drawing?
Title block, revision block, notes, bill of materials, and views of the part from different angles
Serial number, manufacturing date, expiration date
Ingredients, cooking instructions, serving suggestions
Color palette, font style, paper size
How are auxiliary views helpful in machine drawing?
They are only used for decorative purposes
They provide additional information about the object
They make the drawing more confusing
They are not useful in machine drawing
Explain the process of creating an auxiliary view.
Drawing the object in 3D
Taking a photograph of the object
Projection of the object onto a plane perpendicular to the inclined surface
Using a compass to create the view
What are the different types of auxiliary views?
Sectional auxiliary view, Revolved auxiliary view, and Aligned auxiliary view
Orthographic auxiliary view, Perspective auxiliary view, and Isometric auxiliary view
Frontal auxiliary view, Isometric auxiliary view, and Oblique auxiliary view
Top auxiliary view, Side auxiliary view, and Bottom auxiliary view
Describe the steps involved in creating an auxiliary view for a given object.
Rotate the object 180 degrees
Trace the object onto a transparent sheet
Project the object onto a plane that is perpendicular to the principal planes of projection.
Take a photograph of the object from a different angle
What are the advantages of using auxiliary views in machine drawing?
Auxiliary views provide additional information about the object being drawn.
Auxiliary views take up too much space on the drawing
Auxiliary views make the drawing more confusing
Auxiliary views are not necessary in machine drawing
How does sectional view differ from a detail view?
Sectional view shows the exterior details of an object, while a detail view shows the interior details.
Sectional view shows the interior details of an object by cutting it along a plane, while a detail view magnifies a specific area of an object to show more details.
Sectional view is used for small objects, while a detail view is used for large objects.
Sectional view is always in 3D, while a detail view is always in 2D.
Explain the concept of aligned system in orthographic projection.
Arrangement of views to accurately represent the object in 3D space
Using different scales for each view
Creating a 2D representation of a 3D object
Drawing the object from a single viewpoint
What are the different types of lines used in orthographic projection?
Visible lines, hidden lines, center lines, dimension lines, extension lines, and cutting plane lines
Red lines, blue lines, green lines, yellow lines
Vertical lines, horizontal lines, diagonal lines, curved lines
Solid lines, dotted lines, dashed lines, wavy lines
Describe the purpose of hidden lines in orthographic projection.
To indicate the visible edges in the current view
To add decorative elements to the drawing
To make the drawing more colorful and interesting
To represent edges or surfaces that are not visible in the current view
Explain the concept of surface finish in machine drawing.
Surface finish refers to the weight of the part
Surface finish is irrelevant in machine drawing
Surface finish is only important for visual appeal
Surface finish in machine drawing refers to the texture or roughness of the surface of a part, which is important for functionality and aesthetics.
What are the different symbols used to represent surface finish in machine drawing?
1, 2, 3
Ra, Rz, and Rt
A, B, C
X, Y, Z
The abbreviation for the term Figure is
fig
fig.
FIG.
FIG
The abbreviation for the term Drawing is
DRG
DRW
DXF
DWG
The abbreviation for the term Counter Bore is
CUBORE
CBORE
C'BORE
COUBORE
The abbreviation for the term Countersunk is
COUSK
C'SK
CSK
COSK
A tittle block not carry from the following information:
Title of drawing
Scale
Name of Organisation
Abbreviations
The Length : Width in case of an arrow head is
1:1
2:1
3:1
4:1
When the interior of an object is complicated, which of the following view is used?
Front view
Side view
Top view
Sectional view
What is the type of sections from given option
Full section
Side section
Top section
Front section
