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    Theory practice test Engineering Mechanics - Set 11

    Practice Test: Question Set - 11

    1. The force, by which the body is attracted, towards the center of the earth, is called
      (A) Impulsive force
      (B) Mass
      (C) Weight
      (D) Momentum

    2. The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is
      (A) h/(kG² + h²)
      (B) (kG² + h²)/h
      (C) h²/(kG² + h²)
      (D) (kG² + h²)/h²

    3. Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is
      (A) db³/12
      (B) bd³/12
      (C) db³/36
      (D) bd³/36

    4. The length of a second's pendulum is
      (A) 94.9 cm
      (B) 99.4 cm
      (C) 100 cm
      (D) 101 cm

    5. The angle between two forces when the resultant is maximum and minimum respectively are
      (A) 0° and 180°
      (B) 180° and 0°
      (C) 90° and 180°
      (D) 90° and 0°

    6. The velocity ratio of a first system of pulleys with 4 pulleys is
      (A) 4
      (B) 8
      (C) 16
      (D) 20

    7. Which of the following is a scalar quantity?
      (A) Force
      (B) Speed
      (C) Velocity
      (D) Acceleration

    8. The unit of angular velocity is
      (A) m/min
      (B) rad/s
      (C) Revolutions/min
      (D) Both (B) and (C)

    9. The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
      (A) Equal to
      (B) Less than
      (C) Greater than
      (D) None of these

    10. When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
      (A) Inward
      (B) Outward
      (C) Towards front
      (D) Towards back

    11. The force induced in the string BC due to the load 'W' as shown in the below figure is
    Engineering Mechanics question no. 11, set 11

      (A) W sinθ
      (B) W cosθ
      (C) W tanθ
      (D) W cotθ

    12. The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.
      (A) 3r/ 8
      (B) 4r/ 3π
      (C) 8r/3
      (D) 3r/4π

    13. The rate of doing work is known as
      (A) Potential energy
      (B) Kinetic energy
      (C) Power
      (D) None of these

    14. The impact between two lead spheres is approximately equal to an __________ impact.
      (A) Elastic
      (B) Inelastic
      (C) Solid
      (D) None of these

    15. The unit of angular acceleration is
      (A) N-m
      (B) m/s
      (C) m/s2
      (D) rad/s2

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    Item Reviewed: Theory practice test Engineering Mechanics - Set 11 Rating: 5 Reviewed By: Pranab Debnath
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