Solved question paper for ED May-2018 (DIPLOMA Mechanical Engineering (RAC) 1st-2nd)

Engineering drawing

Previous year question paper with solutions for Engineering drawing May-2018

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Question paper 1

  1. SECTION-A

     Fill in the blanks.

    a. The ratio of drawing to the object is called ……….

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  2. b. Front view is projected on …………..

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  3. c. Length of the scale = ……………x Maximum length to be shown on a scale.

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  4. d. In first angle projection top view is below ……………

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  5. e. For the identification of surfaces …………… projections must be drawn.

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  6. f. Section lines are drawn at an angle of ……………..

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  7. g. An isometric view shows …………….. Surfaces of the objects.

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  8. h. A plane which is at right angle to two principal planes is ………..

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  9. i. Plain scale represents ………….. Units.

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  10. j. Front view lies above H.P. in …………….. Quadrant.

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  11. SECTION-B

    Attempt any five questions.

    i. What is RF and how it is calculated? What are Plain Scales?
     

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  12. ii. Draw a plain scale to show metres and decimeters when 1 metre is represented by 2.5 centimetres. The scale should be long enough to measure upto 5 metres. Mark a distance of 4 metres and 3 decimeters on the scale.

     

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  13. iii. Write in freehand vertical lettering the following sentence taking size 10 mm.

    “I AM PROUD OF MY COUNTRY”

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  14. iv. What is the difference between third angle and first angle projection?

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  15. v. Give conventional representation of different types of lines.

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  16. vi. A point L is placed in first Quadrant. It is 60 mm above H.P. and 20 mm in front of V.P. draw its projections.

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  17. SECTION-C

     Attempt any two questions.

    a. Figure 1 shows pictorial view of a block. Draw front, side and top views in full size in first angle projection.

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  18. b. Draw the isometric view of a cube 40 mm side and on a square block 25 mm thickness and 70 mm side. The cube and block are placed axially with their edges parallel to each other.

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  19. c. Figure 2 shows an isometric view of an object. Draw to a full size scale the following views in First angle projection method.

    i) Sectional Front view ii) Sectional side view iii) Top view

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