Applied Mechanics MCQs with answers Page - 12

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

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Q. A man weighing 60 kg jumps on a vehicle of weight 240 kg moving with a velocity of 36 km/hours. The velocity of the vehicle after the man has jumped would be

  • (A) Less than 3.6 km/hour
  • (B) 3.6 km/hour
  • (C) More than 3.6 km/hour
  • (D) 4.5 km/hour

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Q. How many coins 0.75 cm in diameter and 1/8 cm thick must be malted down to form a rectangular solid whose edges are 5 cm. 4 cm and 3 cm?

  • (A) 584
  • (B) 1087
  • (C) 0.00001745 sec-1
  • (D) 1234

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Q. The gravitational field intensity is maximum at the

  • (A) at a height above the surface
  • (B) pole
  • (C) equator
  • (D) centre of the earth

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Q. A ball of mass 1 kg moving with a velocity of 2 m/sec collides directly with a stationary ball of mass 2 kg. If the first ball comes to rest after the impact the velocity of second ball after impact will be

  • (A) 1.5 m/sec
  • (B) 0.5 m/sec
  • (C) 2 m/sec
  • (D) 1.0 m/sec

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Q. A particle moves along a rough plane inclined at 30o to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move down the plane to that when it move up the plane would be in the regions

  • (A) 8 : 10
  • (B) 5 : 7
  • (C) 2 : 3
  • (D) 4 : 6

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Q. In case of cantilever, irrespective of the type of loading the maximum bendry moment and maximum shear force occur at

  • (A) Free end
  • (B) 2/3 of the length, from the free end
  • (C) Centre of the beam
  • (D) Fixed end

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Q. A beam fixed at both ends with a central load W in the middle will have zero bending moment at

  • (A) one place
  • (B) two places
  • (C) no where
  • (D) three places

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Q. If the positive and negative shear force diagram areas are not equal, it can be concluded that

  • (A) shear force diagram has been wrongly drawn
  • (B) there is at least one couple acting on the beam
  • (C) there are at least two maxima for bending moment
  • (D) bending moment does not change sign

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Q. One joule is equal to

  • (A) 105 ergs
  • (B) 108 ergs
  • (C) 104 ergs
  • (D) 107 ergs

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Q. A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is

  • (A) Indeterminate
  • (B) Proportional to the coefficient of dynamic friction
  • (C) Determinate but depends on the acceleration of the cylinder
  • (D) Proportional to the coefficient of static friction

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