Technical drawing jamb past questions and answers

Technical drawing jamb past questions and answers

Question: What is the purpose of an arrowhead on a dimension line in a technical drawing?

a) To indicate the center of the object

b) To show the direction of measurement

c) To highlight a hidden feature

d) To connect different views of an object

Answer: b) To show the direction of measurement

Question: In orthographic projection, which view typically shows the true shape and size of the object?

a) Front view

b) Top view

c) Right-side view

d) Isometric view

Answer: a) Front view

Question: What does the term "CAD" stand for in the context of technical drawing?

a) Computer-Aided Design

b) Centralized Architectural Drawing

c) Creative Artistic Drafting

d) Conventional Architecture Diagram

Answer: a) Computer-Aided Design

Question: Which type of line is used to represent the outline of an object that is not visible in the current view but exists on another plane?

a) Phantom line

b) Center line

c) Section line

d) Visible line

Answer: a) Phantom line

Question: What is the purpose of a revision triangle in a technical drawing?

a) To indicate the center of the object

b) To highlight a critical dimension

c) To show the direction of measurement

d) To mark changes or updates made to the drawing

Answer: d) To mark changes or updates made to the drawing

Question: In geometric dimensioning, what does the symbol "⌀" represent?

a) Diameter

b) Depth

c) Distance

d) Dimension

Answer: a) Diameter

Question: Which type of drawing provides an overall view of an object's external features and is often accompanied by a parts list?

a) Assembly drawing

b) Detail drawing

c) Exploded drawing

d) Sectional drawing

Answer: a) Assembly drawing

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

a) To indicate the center of the object

b) To highlight a hidden feature

c) To show a section of the object at an enlarged scale

d) To connect different views of an object

Answer: c) To show a section of the object at an enlarged scale

Question: In isometric projection, how are the angles between the axes?

a) All angles are equal

b) One angle is 90 degrees, the others are 120 degrees

c) Two angles are 90 degrees, one is 120 degrees

d) All angles are 120 degrees

Answer: b) One angle is 90 degrees, the others are 120 degrees

Question: What is the purpose of a datum reference frame in geometric dimensioning and tolerancing?

a) To show the orientation of the drawing

b) To establish a coordinate system for dimensional control

c) To indicate the scale of the drawing

d) To highlight critical features of the object

Answer: b) To establish a coordinate system for dimensional control

Question: Which term describes the ability of a material to be stretched or deformed without breaking?

a) Hardness

b) Toughness

c) Elasticity

d) Brittleness

Answer: c) Elasticity

Question: What does the term "orthographic projection" refer to in technical drawing?

a) A type of isometric projection

b) A method of representing three-dimensional objects on a two-dimensional plane

c) A form of perspective drawing

d) A technique used for detailing specific features

Answer: b) A method of representing three-dimensional objects on a two-dimensional plane

Question: Which type of view is often used to represent an object's symmetry in a technical drawing?

a) Auxiliary view

b) Oblique view

c) Sectional view

d) Half-section view

Answer: d) Half-section view

Question: What is the purpose of a scale factor in technical drawings?

a) To adjust the color balance of the drawing

b) To determine the size relationship between the drawing and the actual object

c) To highlight critical dimensions

d) To indicate the type of projection used

Answer: b) To determine the size relationship between the drawing and the actual object

Question: Which type of drawing provides a detailed representation of an individual part, often with dimensions and tolerances?

a) Assembly drawing

b) Detail drawing

c) Exploded drawing

d) Isometric drawing

Answer: b) Detail drawing

Question: What is the purpose of a center mark in a technical drawing?

a) To indicate the center of the object

b) To highlight a hidden feature

c) To show the direction of measurement

d) To connect different views of an object

Answer: a) To indicate the center of the object

Question: In a sectional view, what does the hatching represent?

a) Hidden features

b) Symmetry

c) Material that has been cut

d) Dimensions

Answer: c) Material that has been cut

Question: Which type of projection is commonly used for detailed engineering drawings due to its accuracy?

a) Isometric projection

b) Orthographic projection

c) Perspective projection

d) Axonometric projection

Answer: b) Orthographic projection

Question: What does the term "fillet" refer to in the context of technical drawings?

a) A rounded interior corner

b) A straight interior corner

c) A rounded exterior corner

d) A straight exterior corner

Answer: a) A rounded interior corner

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

a) To indicate the center of the object

b) To highlight a hidden feature

c) To provide additional information or specifications

d) To connect different views of an object

Answer: c) To provide additional information or specifications