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    Civil Engineering Graphic Statics MCQ - Set 16

    Practice Test: Question Set - 16


    1. What is the answer to this question?


    Applied Mechanics and Graphic Statics
      (A) Zero
      (B) 2 t
      (C) 3 t
      (D) 1 t

    2. A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length
      (A) Must be decreased
      (B) Must be increased
      (C) Is not changed but weight of the bob is increased
      (D) Is not changed but weight of the bob is decreased

    3. In a simple harmonic motion, the position of equilibrium is always
      (A) Stable
      (B) Unstable
      (C) Neutral
      (D) None of the above

    4. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
      (A) 0.2 R
      (B) 0.4 R
      (C) 0.3 R
      (D) 0.6 R

    5. Lami's theorem states that
      (A) Three forces acting at a point are always in equilibrium
      (B) If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium
      (C) Three coplanar forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two
      (D) Three coplanar forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

    6. Impulse can be obtained from a
      (A) Force-displacement diagram
      (B) Force-time diagram
      (C) Velocity-time diagram
      (D) Velocity-displacement diagram

    7. A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is
      (A) 17° 48'
      (B) 18° 48'
      (C) 19° 48'
      (D) 20° 48'

    8. The units of moment of inertia of an area are
      (A) kg/m
      (B) kg/m2
      (C) m4
      (D) m3

    9. A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan"1 x, where x is (Assume g = 10 m/sec²)
      (A) 3/8
      (B) 1/2
      (C) 9/5
      (D) 5/8

    10. From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through
      (A) 0.25 cm
      (B) 0.50 cm
      (C) 0.75 cm
      (D) 1.00 cm

    11. The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:
      (A) 2 kgf, 3 kgf
      (B) 3 kgf, 4 kgf
      (C) 4 kgf, 5 kgf
      (D) 5 kgf, 3 kgf

    12. The diagram showing the point of application and line of action of forces in their plane is called
      (A) Vector diagram
      (B) Space diagram
      (C) Force diagram
      (D) Funicular diagram

    13. Energy may be defined as
      (A) Power of doing work
      (B) Capacity of doing work
      (C) Rate of doing work
      (D) All the above

    14. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to
      (A) 7 kg
      (B) 1 kg
      (C) 5 kg
      (D) None of these

    15. A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block?
      (A) 1 m × 2 m
      (B) 2 m × 3 m
      (C) 1 m × 3 m
      (D) Equally stable on all faces

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    Item Reviewed: Civil Engineering Graphic Statics MCQ - Set 16 Rating: 5 Reviewed By: Pranab Debnath
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