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

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Applied Mechanics & Graphic Statics

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1. Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of
projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is

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2. When a circular wheel rolls on a straight track, then the shape of body centrode and space
centrode respectively are

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3. The ends of a string weighing w/metre are attached to two points at the same horizontal level. If
the central dip is very small, the horizontal tension of the string throughout is

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4. Clay and silt content in a good brick earth must be at least

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5. 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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6. Pick up the incorrect statement from the following. In a simple harmonic motion

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7. A system of coplanar forces is in equilibrium when

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8. Pick up the incorrect statement from the following:

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9. A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must
the stone be thrown so as to land as far as possible from the point of projection?

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10. If the gravitational acceleration at any place is doubled, the weight of a body, will

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11. A body is said to move with Simple Harmonic Motion if its acceleration, is

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12. A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length

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13. A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

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

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15. The tension in a cable supporting a lift

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16. The main function of alumina in brick earth is

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17. The pole distance is measured in

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18. Pick up the incorrect statement from the following:

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19. Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of

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20. Pick up the volcanic rock from the following:

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21. The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia
about its base, is

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22. A retarding force on a body does not

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23. The unit of impulse, is

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24. If a body is acted upon by a number of coplanar non-concurrent forces, it may

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25. Which of the following represents the state of neutral equilibrium?

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26. The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's

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27. A particle is dropped from the top of a tower 60 m high and another is projected upwards from
the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of
the second particle is

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28. The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1:2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of
separation of the balls will be equal to

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29. Which of the following pairs gives a correct combination of the useful and harmful constituents
respectively of a good brick earth?

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30. Impulse can be obtained from a

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31. Pick up the correct statement from the following:

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32. Which one of the following laws is not applicable to a simple pendulum?

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33. One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end
fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg.
The tension in the string is

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34. To attain the synchronous orbit, the launch of a satellite, is done from a place

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35. Pick up the correct statement from the following:

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36. The C.G. of a hemisphere from its base measured along the vertical radius is at a distance of

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

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38. If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a
beat seconds pendulum at sea level, looses 27 seconds a day, is

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39. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

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

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41. For maximum range of a projectile, the angle of projection should be

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42. The most commonly used retarder in cement is

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43. The total time of collision and restitution of two bodies, is called

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44. 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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45. The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the
vertical side is a, from its vertical face is

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46. If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight
of a body when transported from A to B will be multiplied by

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47. According to Law of Triangle of Forces

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48. When a brick is immersed in water for 24 hours and then dried, if

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49. 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:

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50. In which of the following trusses, the method of substitution is required for determining the forces
in all the members of the truss by graphic statics?

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