SS2 Third Term Technical Drawing Past Questions And Answers
Technical Drawing questions for SS2 third term:
Question: In technical drawing, what does the term “scale factor” refer to?
A) The precision of measurements
B) The ratio of drawing size to actual size
C) The thickness of object lines
D) The color representation of the drawing
Answer: B) The ratio of drawing size to actual size
Question: When drawing an ellipse in isometric projection, how are the major and minor axes oriented?
A) Parallel to isometric axes
B) Perpendicular to isometric axes
C) Diagonal to isometric axes
D) Tangential to isometric axes
Answer: A) Parallel to isometric axes
Question: What is the purpose of a center mark in a circular object on an isometric drawing?
A) To indicate the center of mass
B) To show the midpoint of a line
C) To highlight the drawing’s focal point
D) To identify the center of the circle
Answer: D) To identify the center of the circle
Question: Which type of drawing emphasizes the depth and height of an object but distorts its width?
A) Isometric drawing
B) Oblique drawing
C) Perspective drawing
D) Orthographic drawing
Answer: B) Oblique drawing
Question: In a section view, what does a wavy line indicate?
A) Visible edges
B) Hidden edges
C) Cutting plane
D) Construction lines
Answer: C) Cutting plane
Question: What is the purpose of an auxiliary view in technical drawing?
A) To create a 3D illusion
B) To emphasize the depth of an object
C) To show an inclined surface in its true shape and size
D) To display multiple views simultaneously
Answer: C) To show an inclined surface in its true shape and size
Question: In an isometric drawing, what is the role of the offset distance in creating an isometric circle?
A) To determine the circle’s radius
B) To set the thickness of the circle
C) To establish the distance between the circle and isometric axes
D) To define the circle’s diameter
Answer: C) To establish the distance between the circle and isometric axes
Question: What does the term “isometric axis” refer to in isometric drawing?
A) The lines used to create an isometric grid
B) The reference lines indicating the isometric view
C) The three imaginary axes intersecting at 120-degree angles
D) The primary lines outlining the isometric object
Answer: C) The three imaginary axes intersecting at 120-degree angles
Question: In orthographic projection, what is the purpose of an inclined plane line?
A) To show hidden edges
B) To represent the outline of an object
C) To indicate an inclined surface
D) To highlight the center of mass
Answer: C) To indicate an inclined surface
Question: What does the term “datum feature” mean in technical drawing?
A) A significant reference point on the object
B) A hidden feature not visible in the drawing
C) The central point of an isometric object
D) A line indicating the drawing’s scale
Answer: A) A significant reference point on the object
Question: How is an oblique drawing different from an isometric drawing?
A) Oblique drawing shows all three dimensions equally.
B) Oblique drawing distorts one dimension for better clarity.
C) Isometric drawing includes a third vanishing point.
D) Isometric drawing uses a 30-degree angle for projection.
Answer: B) Oblique drawing distorts one dimension for better clarity.
Question: What is the primary purpose of an exploded view in technical drawing?
A) To show the internal components of an object
B) To create an isometric projection
C) To emphasize symmetry in a drawing
D) To display multiple views of an object
Answer: A) To show the internal components of an object
Question: In orthographic projection, what does a section view typically reveal?
A) Internal details of an object
B) True shape and size of the object
C) External features of the object
D) Symmetry of the object
Answer: A) Internal details of an object
Question: How is an auxiliary view different from a sectional view?
A) Auxiliary view displays hidden features.
B) Sectional view emphasizes external features.
C) Auxiliary view shows internal details.
D) Sectional view focuses on the top view.
Answer: C) Auxiliary view shows internal details.
Question: What is the purpose of a break line in a technical drawing?
A) To indicate symmetry
B) To represent hidden features
C) To show a broken or interrupted view
D) To highlight important dimensions
Answer: C) To show a broken or interrupted view
Question: In isometric drawing, how are circles represented?
A) As ellipses
B) As perfect circles
C) As polygons
D) As rectangles
Answer: A) As ellipses
Question: What is the significance of a tangent in technical drawing?
A) It represents the point of intersection.
B) It indicates the center of mass.
C) It shows hidden edges.
D) It highlights the focal point.
Answer: A) It represents the point of intersection.
Question: What does the term “revolved section” mean in technical drawing?
A) A section produced by cutting along a revolved axis
B) A view showing a 360-degree perspective of an object
C) A sectional view emphasizing rotational symmetry
D) A line used to create a revolved surface
Answer: A) A section produced by cutting along a revolved axis
Question: How is an auxiliary view created in orthographic projection?
A) By projecting the object onto a single plane
B) By rotating the object to align with one of the primary views
C) By extending the object beyond the drawing boundaries
D) By using additional reference lines to show inclined surfaces
Answer: D) By using additional reference lines to show inclined surfaces.
