SS3 First Term Technical Drawing Past Questions And Answers

Welcome to this comprehensive set of 20 SS3 (Senior Secondary School Grade 3) technical drawing questions that will test your understanding and application of fundamental principles. Technical drawing is a crucial skill for students pursuing disciplines such as engineering and architecture. These questions cover a range of topics, challenging you to think critically and apply your knowledge effectively. Let’s dive into the world of technical drawing and see how well you can tackle these questions!

 

Question 1:

What is the purpose of a construction line in technical drawing?

 

A) To represent visible edges

B) To guide the placement of other lines

C) To indicate hidden features

D) To outline the final drawing

 

Answer: B) To guide the placement of other lines

 

Question 2:

Which type of line is used to represent the edges of an object not directly visible to the viewer?

 

A) Object line

B) Hidden line

C) Center line

D) Construction line

 

Answer: B) Hidden line

 

Question 3:

What does the term “isometric projection” refer to in technical drawing?

 

A) A 2D representation of a 3D object

B) A method for drawing circles accurately

C) A type of dimension line

D) A line dividing an object into equal parts

 

Answer: A) A 2D representation of a 3D object

 

Question 4:

When creating a sectional view, what does a cutting-plane line indicate?

 

A) The thickness of the material

B) The area to be removed for clarity

C) The surface finish of the object

D) The point of symmetry

 

Answer: B) The area to be removed for clarity

 

Question 5:

Which type of projection shows a true representation of an object as it appears to the human eye?

 

A) Orthographic projection

B) Perspective projection

C) Auxiliary projection

D) Isometric projection

 

Answer: B) Perspective projection

 

Question 6:

What is the purpose of a leader line in a technical drawing?

 

A) To indicate hidden features

B) To guide the placement of other lines

C) To show dimensions or specific features

D) To represent visible edges

 

Answer: C) To show dimensions or specific features

 

Question 7:

In technical drawing, what is the function of an arrowhead on a dimension line?

 

A) To indicate the type of material

B) To show the direction of measurement

C) To highlight important features

D) To mark the center of an object

 

Answer: B) To show the direction of measurement

 

Question 8:

What is the primary purpose of an auxiliary view in technical drawing?

 

A) To show details not visible in standard views

B) To represent visible edges

C) To guide the placement of other lines

D) To indicate hidden features

 

Answer: A) To show details not visible in standard views

 

Question 9:

Which type of line is used to define the center of an object or a circle?

 

A) Hidden line

B) Construction line

C) Object line

D) Extension line

 

Answer: B) Construction line

 

Question 10:

What does the term “scale” refer to in technical drawing?

 

A) The hardness of the pencil used

B) The ratio of the drawing to the actual size

C) The type of paper used for drawing

D) The thickness of the lines

 

Answer: B) The ratio of the drawing to the actual size

 

Question 11:

When drawing an ellipse, what is the major axis?

 

A) The longer diameter

B) The shorter diameter

C) The distance between two points

D) The center point

 

Answer: A) The longer diameter

 

Question 12:

What does a break line in a technical drawing represent?

 

A) A hidden feature

B) A line of symmetry

C) A discontinuity in the object

D) A dimension line

 

Answer: C) A discontinuity in the object

 

Question 13:

In orthographic projection, what is the purpose of a projection line?

 

A) To guide the placement of other lines

B) To represent visible edges

C) To show the direction of measurement

D) To connect corresponding points between views

 

Answer: D) To connect corresponding points between views

 

Question 14:

What does the term “tolerance” refer to in technical drawing?

 

A) The accuracy of the drawing

B) The acceptable variation in dimensions

C) The type of projection used

D) The spacing between lines

 

Answer: B) The acceptable variation in dimensions

 

Question 15:

When should you use an auxiliary view in technical drawing?

 

A) To show hidden features

B) To represent visible edges

C) To display details not visible in standard views

D) To guide the placement of other lines

 

Answer: C) To display details not visible in standard views

 

Question 16:

What is the purpose of a centerline in technical drawing?

 

A) To guide the placement of other lines

B) To indicate hidden features

C) To represent visible edges

D) To show the direction of measurement

 

Answer: A) To guide the placement of other lines

 

Question 17:

When creating a multi-view drawing, what does each view represent?

 

A) Different parts of the object

B) Different angles of the object

C) Different dimensions of the object

D) Different materials of the object

 

Answer: B) Different angles of the object

 

Question 18:

In technical drawing, what does the term “datum” refer to?

 

A) A specific feature of an object

B) A reference point or surface

C) The thickness of the lines

D) The type of projection used

 

Answer: B) A reference point or surface

 

Question 19:

Which type of line is used to define the boundaries of an object?

 

A) Hidden line

B) Object line

C) Construction line

D) Extension line

 

Answer: B) Object line

 

Question 20:

When is it appropriate to use a section view in technical drawing?

 

A) To represent visible edges

B) To guide the placement of other lines

C) To show internal details of an object

D) To indicate hidden features

 

Answer: C) To show internal details of an object