MEE 203 CBT PRACTICE TEST

1. Kinetic friction may be defined as

2. Lami's theroem states that

3. 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

4. A smooth cylinder lying on its convex surface remains

5. Pick up the incorrect statement from the following :

6. Varigon's theorem of moments states

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

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

9. 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

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

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

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

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

14. 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

15. 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

16. 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

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

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

19. According to Law of Triangle of Forces

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

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

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

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

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

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

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

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

28. The Law of Polygon of Forces states that

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

30. The angle of friction is :

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

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

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

36. A retarding force on a body does not.

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

38. 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

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

40. 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