MEE 203 CBT PRACTICE TEST

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

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

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

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

5. 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

6. 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

7. The angle of friction is :

8. Varigon's theorem of moments states

9. 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

10. 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

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

12. The necessary condition of equilibrium of a body, is :

13. 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

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

15. The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

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

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

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

19. Pick up the incorrect statement from the following :

20. The Law of Polygon of Forces states that

21. Kinetic friction may be defined as

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

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

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

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

26. 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

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

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

29. 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

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

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

32. Lami's theroem states that

33. 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

34. 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

35. 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

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

37. A smooth cylinder lying on its convex surface remains

38. A retarding force on a body does not.

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

40. According to Law of Triangle of Forces