# Applied Mechanics And Graphic Statics Quiz Test : 300+ Best Questions

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Applied Mechanics & Graphic Statics

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1. The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement
equal to half its amplitude is given by

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2. A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of
120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to
keep it equilibrium, at an inclination 60° with horizontal, is

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3. A system of coplanar forces acting on a rigid body can be reduced to

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4. Which of the following cements contains maximum percentage of dicalcium silicate?

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5. The force which produces an acceleration of 1 m/sec2 in a mass of one kg, is called

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6. Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by

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7. The centre of gravity of a triangle is at the point where three

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8. The units of moment of inertia of an area are

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9. Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a
resultant of

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10. 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

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11. Oil varnish generally consists of

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12. The maximum displacement of a particle executing S.H.M. corresponds to

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13. Engineer's units of force, is

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14. A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point
of projection in twice the time taken in reaching the wall, the coefficient of restitution between
the glass ball and the wall is

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15. When a body moves round a fixed axis, it has

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16. Copy - Pick up the correct statement from the following. The kinetic energy of a body

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17. Which one of the following statements is true?

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18. The motion of a bicycle wheel is

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19. Force polygon method is applicable for

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20. A satellite moves in its orbit around the earth due to

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21. Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to
the smaller force, the smaller force is

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22. Two circular discs of same weight and thickness are made from metals having different densities.
Which disc will have the larger rotational inertia about its central axis?

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23. Kinetic friction may be defined as

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24. The Centre of gravity of a 10 × 15 × 5 cm T-section from its bottom, is

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25. The centre of gravity of a triangle is at the point where three

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26. Lami's theorem states that

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27. Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a
lead ball of same mass and velocity when strikes the same wall, falls down

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28. The basic purpose of a retarder in concrete is

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29. A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m
apart. If the horizontal tension is 1000 kg, the central dip of the cable is

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30. Pick up the correct statement from the following. The kinetic energy of a body

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31. A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete
vibration is 1 sec, then the maximum velocity of the particle is

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32. The graphical method of determining the forces in the members of a truss is based on

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33. Which of the following is a scalar quantity?

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34. Angular acceleration of a particle may be expressed as

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35. Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

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36. Inner part of a timber log surrounding the pitch, is called

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37. A retarding force on a body does not

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38. A cube on a smooth horizontal surface

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39. Periodic time of a particle moving with simple harmonic motion is the time taken by the particle
for

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40. Cast iron

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41. The shape of a suspended cable for a uniformly distributed load over it is

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42. The point about which combined motion of rotation and translation of a rigid body takes place, is
known as

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43. From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the
same base and having the same height as that of the cylinder. The C.G. of the remainder is at a
height of

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44. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called

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45. For sanitary pipes and chemical stonewares,

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46. A flywheel of moment of inertia 20 kgm" is acted upon by a tangential force of 5 N at 2 m from its
axis, for 3 seconds. The increase in angular velocity in radian per second is

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47. If the angle between the applied force and the direction of motion of a body, is between 90° and
180°, the work done, is called

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48. A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line
100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable
respectively are

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49. A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

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50. For a body moving with simple harmonic motion, the number of cycles per second, is known as its

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