Machine Design MCQs with answers Page - 2

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 tube has the following advantage over pipe

  • (A) lighter and easier to handle
  • (B) greater shock absorption
  • (C) smoother inside walls
  • (D) all of the above

A

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Q. Aircraft body is usually fabricated by

  • (A) welding
  • (B) precasting
  • (C) rivetting
  • (D) casting

A

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Q. Allen bolts are

  • (A) self locking bolts
  • (B) designed for shock load
  • (C) used in aircraft application
  • (D) provided with hexagonal depression in head

A

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Q. An alien bolt is

  • (A) self locking bolt
  • (B) same as stud
  • (C) provided with hexagonal depression in head
  • (D) used in high speed components

A

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Q. Antifriction bearings are

  • (A) sleeve bearings
  • (B) hydrodynamic bearings
  • (C) thin lubricated bearings
  • (D) none of the above

A

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Q. Applications in which stresses are encountered in one direction only uses following type of threads

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

A

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Q. At low temperatures (say 75°C) the notched-bar impact value of steel

  • (A) increases markedly
  • (B) decreases markedly
  • (C) remains same
  • (D) depends on heat treatment carried out

A

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Q. Ball bearing type screws are found in following application

  • (A) screw jack
  • (B) aeroplane engines
  • (C) crane
  • (D) steering mechanism

A

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Q. Basic hole is one

  • (A) whose upper deviation is zero
  • (B) whose lower deviation is zero
  • (C) whose lower as well as upper deviations are zero
  • (D) does not exist

A

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Q. Basic shaft is one

  • (A) whose upper deviation is zero
  • (B) whose lower deviation is zero
  • (C) whose lower as well as upper deviations are zero
  • (D) does not exist

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