Solved question paper for AMT May-2018 (DIPLOMA automobile engineering 3rd)

Previous year question paper with solutions for May-2018

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Question paper 1

  1. SECTION-A

    Q1. a) Fill in the blanks.

    i. Gun metal is an alloy of________

    Answer:

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  3. ii. Mild steel is ______carbon steel.

    Answer:

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  5. iii. _______is light weight metal.

    Answer:

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  7. iv. _________furnace is used for the manufacturing of cast iron.

    Answer:

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  9. v. The process which is used to reduce the brittleness of steel is known as________

    Answer:

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  11. b) State True or False.

    vi. H.S.S is a non ferrous alloy.

    Answer:

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  13. vii. Copper fails to spark during spark test

    Answer:

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  15. viii. Bronze is mixture of copper and Zinc.

    Answer:

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  17. ix. Aluminum has a specific gravity of 2.7

    Answer:

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  19. x. Chromium increases the hardness when added to steel.

    Answer:

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  21. SECTION-B

    Q2. Attempt any five questions.

    a. Give the classification of different engineering materials.

    Answer:

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  23. b. Explain the physical properties of materials.

    Answer:

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  25. c. Write the properties and uses of Brass.

    Answer:

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  27. d. Define cast iron and explain any two.

    Answer:

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  29. e. Write the properties and uses of Plastics

    Answer:

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  31. f. Differentiate between annealing and normalizing?

    Answer:

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  33. g. Categories the following materials

    Cast iron, Bronze, H.S.S, Plastics, Clay, Fibre, Brick

    Answer:

  34. SECTION-C

    Q3. Attempt any two questions.

    i. Define the following

    Plasticity, Elasticity, Toughness, Hardness, Ductility, Wear Resistance

    Answer:

  35. ii. What is carburizing? Explain its types.

    Answer:

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  37. iii. Define heat treatment? Write its purpose.

    Answer:

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  39. iv. Explain in detail Iron- Carbon diagram.

    Answer:

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