Design of Machine Elements MCQs with answers Page - 20

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Q. Miter gears are the bevel gears mounted on shaft which are intersecting at angle greater than 90.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

A

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Q. In hypoid bevel gears, shafts may continue past each other.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

A

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Q. Hypoid gears have the following characteristics.

  • (A) curved teeth
  • (B) mounted on non -parallel non intersecting shafts
  • (C) efficiency of 97%
  • (D) all of the mentioned

A

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Q. The bearing characteristic number shown in the graph is directly proportional to the unit bearing pressure.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

A

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Q. A single transverse weld is preferred over double transverse fillet weld.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

A

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Q. 5 SELECTION OF ROLLING CONTACT BEARINGS

  • (A) thrust
  • (B) radial
  • (C) longitudinal
  • (D) transversal

A

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Q. If E = Mean kinetic energy of the flywheel, CS = Coefficient of fluctuation of speed and Δ E = Maximum fluctuation of energy, then

  • (A) Δe = e / cs
  • (B) Δe = e2 × cs
  • (C) ---
  • (D) ---

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