Applied Mechanics MCQs | Page - 4

Dear candidates you will find MCQ questions of Applied Mechanics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

📊 Applied Mechanics
Q. A stone is thrown up from the foot of tower 50 m high with a velocity of 25 m/sec and at the same time another stone is dropped from the top of tower, the two stones will cross each other after
  • (A) 3 sec
  • (B) 5 sec
  • (C) 4 sec
  • (D) 2 sec
💬 Discuss
✅ Correct Answer: (D) 2 sec
📊 Applied Mechanics
Q. The moment of a force is
  • (A) Equivalent to the algebraic sum of the moments acting on a body
  • (B) Equivalent to the sum of horizontal as well as vertical components of the moments on a body
  • (C) Equivalent to the sum of the moments acting on a body
  • (D) Equivalent to the sum of horizontal components of the moments on a body
💬 Discuss
✅ Correct Answer: (A) Equivalent to the algebraic sum of the moments acting on a body
📊 Applied Mechanics
Q. Which of the following statement is false?
  • (A) The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant)
  • (B) The linear velocity of bodies near the earth's equator (due to rotation of earth) is more than the velocities of particles at the pole
  • (C) A cyclist should move along a zig-zag path while ascending a steep hill
  • (D) The density of milk decreases when cream is taken out of milk
💬 Discuss
✅ Correct Answer: (D) The density of milk decreases when cream is taken out of milk
📊 Applied Mechanics
Q. A gun fires shell with a muzzle velocity of 600 m/sec. The angle of inclination of the gun so that the shell hits a target at a distance of 32 km at level 100 m higher than the gun would be approximately?
  • (A) 60?
  • (B) 45?
  • (C) 30?
  • (D) Either of (A) and (C)
💬 Discuss
✅ Correct Answer: (D) Either of (A) and (C)
📊 Applied Mechanics
Q. A crate weighing 40 kg rests on a cart moving with an acceleration W. The coefficient of friction between the cart and the crate is
  • (A) 2.45 m/sec2
  • (B) 4.00 m/sec2
  • (C) 0.25 m/sec2
  • (D) 4.16 m/sec2
💬 Discuss
✅ Correct Answer: (A) 2.45 m/sec2
📊 Applied Mechanics
Q. A flywheel 200 cm in diameter is rotating at 100 rpm. A point one the rim of the flywheel will not have
  • (A) angular velocity
  • (B) centripetal acceleration
  • (C) tangential acceleration
  • (D) all of the above
💬 Discuss
✅ Correct Answer: (A) angular velocity
📊 Applied Mechanics
Q. A man wished to move a block of size 3 m x 3 m weighing 80 kg. The coefficient of friction between the block and the ground is 0.27. Which of the following methods should be used?
  • (A) Slide along the ground by pushing
  • (B) Ask for cranes
  • (C) Pull it
  • (D) Tip it over
💬 Discuss
✅ Correct Answer: (D) Tip it over
📊 Applied Mechanics
Q. The centroid of a triangle is at the inter-section of
  • (A) perpendicular bisectors
  • (B) base and perpendicular from opposite vertex
  • (C) perpendiculars down from the corners
  • (D) medians
💬 Discuss
✅ Correct Answer: (D) medians
📊 Applied Mechanics
Q. If there are 3 pulleys in the first system, then the velocity ratio of this system will be
  • (A) 8
  • (B) 2
  • (C) 4
  • (D) 6
💬 Discuss
✅ Correct Answer: (A) 8
📊 Applied Mechanics
Q. A locomotive of weight 100 tonnes is attached to train of wagons weighing 1000 tonnes. The locomotive pulls the wagons with a constant velocity of 36 km/hour. When the coupling between the train and wagons breaks, the wagons roll on 95 m in 10 sec. The distance between the locomotive and the wagons at this instant assuming that the forces acting on the train are unaltered would be
  • (A) 0.36 m
  • (B) 0.44 m
  • (C) 0.77 m
  • (D) 0.5 m
💬 Discuss
✅ Correct Answer: (D) 0.5 m

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