SS1 First Term Technical Drawing Past Questions and Answers

Question: What is the purpose of an isometric projection in technical drawing?

 

a) To show accurate measurements

b) To represent a 3D object on a 2D plane

c) To create artistic effects

d) To indicate hidden features

Answer: b) To represent a 3D object on a 2D plane

 

Question: In orthographic projection, how many principal views are typically used to represent an object?

 

a) One

b) Two

c) Three

d) Four

Answer: c) Three

 

Question: Which type of line is used to represent the edges of an object not visible to the viewer in a drawing?

 

a) Hidden line

b) Center line

c) Object line

d) Construction line

Answer: a) Hidden line

 

Question: What does a dashed line typically represent in a technical drawing?

 

a) Cutting plane line

b) Dimension line

c) Object line

d) Extension line

Answer: a) Cutting plane line

 

Question: Which dimensioning system uses numerals and lines to indicate the size of features on an object?

 

a) Aligned dimensioning

b) Unidirectional dimensioning

c) Baseline dimensioning

d) Ordinate dimensioning

Answer: b) Unidirectional dimensioning

 

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

 

a) To show hidden details

b) To represent the object in a rotated position

c) To provide a complete 3D view

d) To create a detailed perspective

Answer: b) To represent the object in a rotated position

 

Question: Which type of projection is commonly used in engineering drawings for accurate representation?

 

a) Perspective projection

b) Isometric projection

c) Orthographic projection

d) Oblique projection

Answer: c) Orthographic projection

 

Question: What is the purpose of a leader line in a drawing?

 

a) To indicate the length of an object

b) To guide the viewer’s attention to a specific detail

c) To represent hidden features

d) To mark the center of an object

Answer: b) To guide the viewer’s attention to a specific detail

 

Question: Which type of line is used to indicate the center of an object in a technical drawing?

 

a) Hidden line

b) Phantom line

c) Center line

d) Cutting plane line

Answer: c) Center line

 

Question: What does the term “tolerance” refer to in technical drawings?

 

a) The acceptable range of deviation from a specified dimension

b) The overall size of an object

c) The distance between two features

d) The thickness of lines in a drawing

Answer: a) The acceptable range of deviation from a specified dimension

 

Question: Which type of projection results in distorted views but is often used for artistic purposes?

 

a) Oblique projection

b) Perspective projection

c) Isometric projection

d) Orthographic projection

Answer: b) Perspective projection

 

Question: What is the purpose of a detail view in a technical drawing?

 

a) To show a smaller-scale version of the entire drawing

b) To emphasize specific features at a larger scale

c) To indicate hidden lines

d) To provide an isometric view

Answer: b) To emphasize specific features at a larger scale

 

Question: Which type of line is used to define the boundary of an object in a drawing?

 

a) Object line

b) Hidden line

c) Phantom line

d) Construction line

Answer: a) Object line

 

Question: What is the purpose of a section view in technical drawing?

 

a) To show an object’s features in a rotated position

b) To represent hidden lines more clearly

c) To provide a detailed, internal view of an object

d) To create a perspective view

Answer: c) To provide a detailed, internal view of an object

 

Question: In dimensioning, what does the term “basic dimension” indicate?

 

a) The primary measurement of an object

b) A reference dimension used for calculations

c) The overall size of an object

d) The maximum allowable deviation from a specified dimension

Answer: b) A reference dimension used for calculations

 

Question: Which type of line is used to represent alternate positions of a moving part in a technical drawing?

 

a) Center line

b) Phantom line

c) Construction line

d) Object line

Answer: b) Phantom line

 

Question: What is the purpose of a break line in a drawing?

 

a) To indicate hidden details

b) To show the continuity of a feature that has been intentionally broken

c) To guide the viewer’s attention to a specific detail

d) To create artistic effects

Answer: b) To show the continuity of a feature that has been intentionally broken

 

Question: Which type of view provides the true shape and size of an inclined surface in a drawing?

 

a) Auxiliary view

b) Isometric view

c) Sectional view

d) True view

Answer: a) Auxiliary view

 

Question: What does the term “datum” refer to in dimensioning?

 

a) A reference point or line from which dimensions are measured

b) The total length of an object

c) The angle between two intersecting lines

d) The distance between two features

Answer: a) A reference point or line from which dimensions are measured

 

Question: In multiview drawings, what is the purpose of the “third-angle projection” symbol?

 

a) To indicate the direction of viewing

b) To show hid

den features

c) To represent a rotated position

d) To denote the scale of the drawing

Answer: a) To indicate the direction of viewing