MEC103 MCQs | Engineering Graphics

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1. Which line type is used to represent center line in the drawing?

   1. Chain Thin
   2. Continuous Thick
   3. Dashed Medium
   4. Continuous Thin
   Answer :     Option ( a )

2. If 1 m is represented as 2.5 cm in the drawing then what will be the representative fraction ?

   1. 1/400
   2. 1/4
   3. 1/40
   4. 1/2
   Answer :     Option ( c )

3. Choose correct option for the following statement. “In Aligned System of dimensioning”

   1. Dimensions are placed on the dimension line after breaking it
   2. Dimensions are placed on the dimension line after breaking it
   3. All dimensions are readable from bottom of page
   4. None of above
   Answer :     Option ( b )

4. What is the distance between two words in a sentence in Gothic Letter Writing?

   1. Equal to Height of one letter
   2. 2 times the Height of one letter
   3. Equal to width of one letter
   4. 2 times the width of one letter
   Answer :     Option ( c )

5. Find the Length of Scale when a distance of 2 km between two stations is represented on a map with a line of 2 cm and scale is long enough to measure up to 50 Km.

   1. 15 cm
   2. 50 cm
   3. 15 mm
   4. 50 mm
   Answer :     Option ( b )

6. Which line type is used to represent the hidden portion in the Orthographic views?

   1. Continous Thick
   2. Phantom Line
   3. Dashed Medium
   4. Chain Thin
   Answer :     Option ( b )

7. Choose the correct option for writing 23rd letter of English alphabet in gothic style.

   
   1. A
   2. B
   3. C
   4. D
   Answer :     Option ( c )

8. Choose the correct statement

   1. Both aligned & unidirectional system can be used in same drawing
   2. The Extension & Dimension lines are continuous thick lines
   3. Dimensioning is an art of writing notes on the drawing
   4. The origin & termination of dimension line is shown by closed filled arrowheads
   Answer :     Option ( d )

9. Select correct option. Plain scale can show

   1. Two units & can measure distances upto 2 decimal place
   2. One unit & can measure distances upto 2 decimal place
   3. Two units & can measure distances upto 1 decimal place
   4. One unit & can measure distances upto 3 decimal place
   Answer :     Option ( c )

10. The length to width ratio for closed filled arrow head is

    1. 3:1
    2. 2:1
    3. 4:1
    4. 1:1
    Answer :     Option ( a )

11. The trace of a line perpendicular to reference plane is a ______

    1. Line
    2. Point
    3. Any iterative shape
    4. None of the above
    Answer :     Option ( b )

12. Considering the first angle projection, line inclined to VP and parallel to HP, shows the true length and inclination.

    1. In top view
    2. In front view
    3. In side view
    4. On auxillary plane
    Answer :     Option ( a )

13. A straight line will represent its true length on that plane to which it is ____

    1. Perpendicular
    2. Inclined at an angle
    3. Parallel
    4. Any of the above
    Answer :     Option ( c )

14. If both front view and top view lie above XY line, then point is in

    1. First quadrant
    2. Second quadrant
    3. Thirdd Quadrant
    4. Fourth Quadrant
    Answer :     Option ( b )

15. When a point lies on both HP and VP, its front view and top view

    1. Lie above XY line
    2. Lie on XY line
    3. Lie below XY line
    4. None of the above
    Answer :     Option ( b )

16. If a point is 10 mm from HP and 15 mm from VP, then for third quadrant,

    1. Its front view will be 15 mm above XY line and top view will be 10 mm below XY line
    2. Its front view will be 10 mm below XY line and top view will be 15 mm above XY line
    3. Both top view and front view overlap
    4. None of the above
    Answer :     Option ( b )

17. If a point lies 8 mm behind VP and 10 mm above HP, then it lies in

    1. First quadrant
    2. Second quadrant
    3. Third quadrant
    4. Fourth quadrant
    Answer :     Option ( b )

18. If a point is 10 mm from HP and 15 mm from VP, then for first quadrant

    1. Its front view will be 10 mm above XY line and top view will be 15 mm below XY line
    2. Its front view will be 15 mm below XY line and top view will be 10 mm above XY line
    3. Both top view and front view overlap
    4. None of the above
    Answer :     Option ( a )

19. When a line is parallel to both HP and VP, then

    1. Its front view is a straight line parallel to XY
    2. Its top view is a straight line parallel to XY
    3. Its front view is a point
    4. Both (a) and (b)
    Answer :     Option ( d )

20. If a line is inclined to VP and parallel to HP, then its front view is a/an

    1. Inclined line of true length
    2. A point
    3. Straight line of apparent length
    4. Straight line of true length
    Answer :     Option ( c )

21. Select the correct symbol of third angle of

    
    1. A
    2. B
    3. C
    4. D
    Answer :     Option ( b )

22. Select the correct sequence of views for first angle of projection.

    
    1. A
    2. B
    3. C
    4. D
    Answer :     Option ( b )

23. If the front view of a cylinder is a Circle, then its top view will be

    1. Ellipse
    2. Semi-Circle
    3. Reactangle
    4. Circle
    Answer :     Option ( d )

24. In orthographic projection which Plane is used to draw the side view of the object?

    1. Vertical Plane
    2. Horizontal Plane
    3. Perpendicular Plan
    4. None of the above
    Answer :     Option ( c )

25. In orthographic projection, which angle of projection is not recommended to draw the view?

    1. 1st and 2nd
    2. 2nd and 4th
    3. 1st and 4th
    4. 2nd and 3rd
    Answer :     Option ( b )

26. In orthographic projection the PP contains the

    1. FV, TV and SV
    2. FV and SV
    3. SV
    4. None of these
    Answer :     Option ( c )

27. In orthographic projection, the projections are _____ to each other and _____ to the plane of projection

    1. Perpendicular, Parallel
    2. Parallel, Perpendicular
    3. Parallel, Parallel
    4. Perpendicular, Perpendicular
    Answer :     Option ( b )

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