Engineering drawing fundamentals: projections, views, drawing instruments and symbolic representation - Question Bank

1. Which instrument is typically used to draw parallel lines at specific angles?
A) Compass
B) Protractor
C) Set Squares and Ruler
D) Divider
2. What is the primary purpose of 'conventional representation' in engineering drawings?
A) To make drawings look more artistic
B) To simplify the representation of common features and standardize their appearance
C) To obscure important details
D) To increase the complexity of drawings
3. Which view shows the object as seen from the left side in the First Angle Projection system?
A) Right-side View
B) Left-side View
C) Front View
D) Top View
4. What is a 'cavity' in the context of engineering drawing symbols?
A) An external protrusion
B) An internal void or hollow space
C) A rounded edge
D) A sharp corner
5. Which type of line is used to indicate the path of a cutting plane in a section view, often with arrows showing the direction of view?
A) Dashed Line
B) Continuous Thin Line
C) Chain Thick Line
D) Continuous Thick Line
6. What is the function of 'dimension arrows' at the ends of dimension lines?
A) To indicate the direction of view
B) To terminate the dimension line and indicate the extent of the measurement
C) To show hidden features
D) To represent center lines
7. In an engineering drawing, what does a 'fillet' symbol typically represent?
A) A sharp corner
B) A rounded internal corner
C) A rounded external corner
D) A chamfered edge
8. Which view shows the object as seen from the bottom in the First Angle Projection system?
A) Top View
B) Front View
C) Bottom View
D) Side View
9. What is the purpose of a 'scale' in engineering drawing?
A) To measure angles
B) To draw circles
C) To represent objects at a size different from their actual size while maintaining proportions
D) To indicate hidden lines
10. Which of the following is NOT a type of pictorial projection?
A) Isometric
B) Orthographic
C) Oblique
D) Perspective
11. What does a 'phantom line' (long dash and two dots) typically represent?
A) Hidden edges
B) Center lines
C) Adjacent or alternate positions of moving parts, or related parts
D) Cutting plane lines
12. In Third Angle Projection, the right-side view is placed to the right of the front view.
A) True
B) False
C) Only in First Angle Projection
D) Depends on the object
13. What is the main advantage of using orthographic projection?
A) It provides a realistic 3D appearance
B) It accurately represents all three dimensions in a single view
C) It clearly shows the true shape and size of features
D) It is easy to visualize the object's depth
14. Which instrument is used for drawing arcs and circles of very small radii accurately?
A) Large compass
B) Bow compass
C) Divider
D) Protractor
15. What is the standard angle for lines representing width and depth in an isometric drawing?
A) 0 and 90 degrees
B) 30 and 150 degrees
C) 60 and 120 degrees
D) 45 and 135 degrees
16. Which type of line is used to show the visible outline of an object?
A) Continuous Thin Line
B) Dashed Line
C) Continuous Thick Line
D) Chain Line
17. What is the term for a drawing that shows an object in a way that its three dimensions (length, width, and height) are depicted in a single view, with the object appearing somewhat realistic?
A) Orthographic Projection
B) Sectional View
C) Pictorial View
D) Auxiliary View
18. In a section view, the removed portion is indicated by:
A) Dashed lines
B) Leader lines
C) Hatching lines
D) Center lines
19. Which symbol is used to represent a square hole or a square feature in a drawing?
A) Ø
B) R
C) □
D) ∆
20. What is the primary use of a protractor in technical drawing?
A) To draw circles
B) To measure and draw angles
C) To transfer lengths
D) To draw parallel lines
21. In orthographic projection, what is the relationship between the front view and the top view concerning their dimensions?
A) Front view width = Top view width, Front view height = Side view height
B) Front view width = Top view width, Front view height = Top view height
C) Front view width = Side view width, Front view height = Top view height
D) Front view width = Top view height, Front view height = Side view width
22. What does a 'break line' (short or long) indicate on a drawing?
A) A hidden edge
B) A center line
C) A section cut
D) A removed portion of a long object to shorten it
23. Which type of projection is characterized by projection lines that converge at a single point (the eye or viewpoint)?
A) Orthographic Projection
B) Axonometric Projection
C) Perspective Projection
D) Cavalier Projection
24. What is an 'auxiliary view' used for in engineering drawings?
A) To show the object from the top
B) To show the true shape and size of inclined or oblique surfaces
C) To represent internal features
D) To provide a general overview
25. Which drawing instrument is essential for drawing perpendicular lines?
A) Protractor
B) Compass
C) Set Square
D) Divider
26. What is the purpose of 'hatching' or 'section lining' in a section view?
A) To indicate the material of the object
B) To show the surface texture
C) To denote the area that has been cut by the cutting plane
D) To represent hidden details
27. In Third Angle Projection, where is the top view placed relative to the front view?
A) Above the front view
B) Below the front view
C) To the left of the front view
D) To the right of the front view
28. Which view shows the object as seen from the right side in the First Angle Projection system?
A) Left-side View
B) Right-side View
C) Front View
D) Top View
29. What does the symbol 'R' preceding a dimension indicate?
A) Diameter
B) Circumference
C) Radius
D) Rectangular
30. Which type of line is used to show the path of a cutting plane through an object?
A) Dashed Line
B) Continuous Thin Line
C) Chain Thick Line
D) Continuous Thick Line
31. What is the primary difference between a compass and a divider?
A) A compass draws circles, a divider transfers distances
B) A compass transfers distances, a divider draws circles
C) A compass draws arcs, a divider draws straight lines
D) A compass measures angles, a divider draws parallel lines
32. A 'leader line' in an engineering drawing typically points to the feature being dimensioned and ends with an arrowhead or dot.
A) True
B) False
C) Only for circles
D) Only for radii
33. What is the meaning of the symbol 'Ø' used in dimensioning?
A) Radius
B) Diameter
C) Square
D) Angle
34. Which type of line is used to indicate the limits of dimensions?
A) Leader Line
B) Extension Line
C) Dimension Line
D) Center Line
35. What is the purpose of a 'dimension line' in an engineering drawing?
A) To indicate hidden lines
B) To specify the size and location of features
C) To show the cutting plane
D) To represent center lines
36. Which drawing instrument is used for transferring distances and setting out arcs or circles?
A) Ruler
B) Protractor
C) Divider
D) Set Square
37. In an isometric drawing, the vertical lines are drawn vertically, and the horizontal lines are drawn at an angle.
A) True
B) False
C) Only for cubes
D) Depends on the view
38. What is the angle between the projection lines in an isometric view?
A) 90 degrees
B) 60 degrees
C) 30 degrees
D) 120 degrees
39. Which projection method is also known as the 'European style' of projection?
A) First Angle Projection
B) Third Angle Projection
C) Isometric Projection
D) Oblique Projection
40. In First Angle Projection, the front view is placed above the top view.
A) True
B) False
C) Depends on the object
D) Only in Third Angle Projection
41. What does a 'cutting plane line' indicate in a section view?
A) The direction of viewing
B) The location where the object is theoretically cut
C) The hidden edges of the object
D) The overall dimensions
42. A 'center line' in an engineering drawing is typically represented by which type of line?
A) Dashed Line
B) Continuous Thin Line
C) Chain Thin Line
D) Continuous Thick Line
43. Which type of line is used to represent hidden edges or contours in an engineering drawing?
A) Continuous Thick Line
B) Dashed Line
C) Chain Thick Line
D) Continuous Thin Line
44. What is the primary function of a compass in drawing?
A) To divide lines into equal parts
B) To draw circles and arcs
C) To measure angles
D) To draw parallel lines
45. Which drawing instrument is used to draw straight lines of varying lengths and angles accurately?
A) Compass
B) Divider
C) Ruler (Scale)
D) Protractor
46. What is the purpose of a 'section view' in engineering drawing?
A) To show the external features of an object
B) To reveal internal features and construction of an object
C) To illustrate the object's overall shape from a single viewpoint
D) To represent the object in a distorted manner
47. Which view in orthographic projection shows the object as seen from the front?
A) Top View
B) Front View
C) Side View
D) Bottom View
48. What is the standard arrangement of the principal views (front, top, and side) in the First Angle Projection system?
A) Top view above front view, side view to the right of front view
B) Top view below front view, side view to the right of front view
C) Top view above front view, side view to the left of front view
D) Top view below front view, side view to the left of front view
49. In orthographic projection, how many principal views are typically shown to fully describe an object's geometry?
A) One
B) Two
C) Three
D) Four
50. Which type of projection is commonly used in engineering drawings to represent a 3D object on a 2D plane, where parallel lines in the object remain parallel in the projection?
A) Perspective Projection
B) Orthographic Projection
C) Isometric Projection
D) Oblique Projection
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