MEE 203 CBT PRACTICE TEST

1. Pick up the incorrect statement from the following :

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

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

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

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

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

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

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

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

10. A retarding force on a body does not.

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

12. According to Law of Triangle of Forces

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

14. 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

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

16. 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

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

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

19. 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

20. The angle of friction is :

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

22. 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

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

24. 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

25. Varigon's theorem of moments states

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

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

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

29. The Law of Polygon of Forces states that

30. 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

31. Kinetic friction may be defined as

32. 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

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

34. A smooth cylinder lying on its convex surface remains

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

36. 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

37. 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

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

39. Lami's theroem states that

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