MEE 203 CBT PRACTICE TEST

1. The force acting on a point on the surface of a rigid body may be considered to act.

2. The resolved part of the resultant of two forces inclined at an angle 0 in a given direction is

3. Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

4. If two equal forces of magnitude P act at an angle 0, their resultant, will be
.

5. A smooth cylinder lying on its convex surface remains

6. The following is not a law of static friction :

7. Kinetic friction may be defined as

8. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

9. 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

10. A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

11. A retarding force on a body does not.

12. Pick up the incorrect statement from the following :

13. From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of

14. Effect of a force on a body depends upon its

15. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

16. The C.G. of a right circular cone lies on its axis of symmetry at a height of
A.
B.
C.
D.

17. The Law of Polygon of Forces states that

18. The Centre of gravity of a 10 x 15 x 5 cm T section from its bottom, is

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

20. The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is

21. The resultant of two forces acting at right angles is A/34 kg and acting at 60? is 70 kg. The forces are

22. According to Law of Triangle of Forces

23. The centre of gravity of a homogenous body is the point at which the whole

24. The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known

25. A point subjected to a number of forces will be in equilibrium, if

26. The angle of friction is :

27. Moment of interia of a squares of side b about an axis through its centre of gravity, is

28. If the resultant of two forces P and Q acting at an angle 0 makes an angle a with P, then tan a equals P sin 0 Q sin 0

29. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

30. If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be

31. Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

32. If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n where n is

33. The forces which meet at one point and have their lines of action in different planes are called

34. The resultant of two forces P and Q acting at an angle 0, is

35. Varigon's theorem of moments states

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

37. A number of forces acting simultaneously on a particle of a body

38. The units of moment of inertia of an area, are

39. If two forces.P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

40. 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