MEE 203 CBT PRACTICE TEST

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

2. 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

3. Pick up the incorrect statement from the following :

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

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

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

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

8. 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

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

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

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

12. 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

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. According to Law of Triangle of Forces

15. Varigon's theorem of moments states

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

17. 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

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

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

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

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

22. The Law of Polygon of Forces states that

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

24. 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

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

26. 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

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

28. 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

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

30. 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

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

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

33. Lami's theroem states that

34. A retarding force on a body does not.

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

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

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

38. The angle of friction is :

39. A smooth cylinder lying on its convex surface remains

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