Machine Design MCQs with answers Page - 1

Here, you will find a collection of MCQ questions on Machine Design. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. A tapered key which fits in a keyway in the hub and is flat on the shaft, is known as

  • (A) wood-ruff key
  • (B) feather key
  • (C) flat saddle key
  • (D) gib head key

A

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Q. A tap bolt

  • (A) has a head on one end and a nut fitted to the other
  • (B) has head at one end and other end fits into a tapped hole in the other part o be joined
  • (C) has both the ends threaded
  • (D) has pointed threads

A

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Q. A stud

  • (A) has a head on one end and a nut fitted to the other
  • (B) has head at one end and other end fits into a tapped hole in the other part to be joined
  • (C) has both the ends threaded
  • (D) has pointed threads

A

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Q. A self locking screw has

  • (A) fine threads
  • (B) coarse threads
  • (C) coefficient of friction > tangent of load angle
  • (D) hole for inserting split pin

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Q. A key made from a cylindrical disc having segmental cross-section, is known as

  • (A) wood-ruff key
  • (B) feather key
  • (C) flat saddle key
  • (D) gib head key

A

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Q. A key capable of tilting in a recess milled out in a shaft is known as

  • (A) wood-ruff key
  • (B) feather key
  • (C) flat saddle key
  • (D) gib head key

A

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Q. A hot short metal is

  • (A) brittle when cold
  • (B) brittle when hot
  • (C) brittle under all conditions
  • (D) ductile at high temperature

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Q. A bolt

  • (A) has a head on one end and a nut fitted to the other
  • (B) has head at one end and other end fits into a tapped hole in the other part to be joined
  • (C) has both the ends threaded
  • (D) is provided with pointed threads

A

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Q. A bench vice has following type of threads

  • (A) metric
  • (B) square
  • (C) buttress
  • (D) acme

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Q. A backing ring is used inside the pipe joint when making a

  • (A) butt weld
  • (B) fillet weld
  • (C) sleeve weld
  • (D) socket weld

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