Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace MEE 203 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

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70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

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484

Created on February 08, 2024 By

Ace/Undergragra

MEE 203

1 / 40

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

A. one-half of the total height above base

B. one-third of the total height above base

C. one-fourth of the total height above base

D. None of the options

2 / 40

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

A. 3 kg and 5 kg

B. 2 kg and 3 kg

C. 1 kg and 4 kg

D. 3 kg and 1 kg

3 / 40

3. The Law of Polygon of Forces states that

A. if forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium

B. if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon taken in opposite order

C. if a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium

D. if forces acting on a point can be epresented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon

4 / 40

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

A. sum of resolved parts in any two directions at right angles, are both zero

B. algebraic sum of the moments of the forces about the point is zero

C. algebraic sum of the forces is zero

D. two resolved parts in any two directions at right angles are equal

5 / 40

5. According to Law of Triangle of Forces

A. if three forces acting on a point can be represented in magnitude and direction, by the sides of a triangle taken in order, these will be in equilibrium

B. if the forces acting on a particle be represented in magnitude and direction by the two sides of a triangle taken in order, their resultant will be represented in magnitude and direction by the third side of the triangle, taken in opposite order.

C. three forces acting at a point, can be represented by the sides of a triangle, each side being in proportion to the force

D. three forces acting along the sides of a triangle are always in equilibrium

6 / 40

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

A. right angled triangle.

B. rectangle

C. equilateral triangle

D. circle

7 / 40

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

A. move in any one direction rotating about itself

B. All the options

C. move in any one direction

D. rotate about itself without moving

8 / 40

8. Pick up the incorrect statement from the following :

A. The C.G. of a rectangle is at the intersection of its diagonals

B. The C.G. of a circle is at its centre

C. The C.G. of a semicircle is at a distance of r/2 from the centre

D. The C.G. of a triangle is at the intersecton of its medians

9 / 40

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

A. 100 kg.

B. 10 kg

C. 60 kg

D. 40 kg

10 / 40

10. A retarding force on a body does not.

A. change the motion of the body

B. retard the motion of the body

C. none of these.

D. introduce the motion of the body

11 / 40

11. 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

A. 437.5 cm4

B. 137.5 cm4

C. 337.5 cm4

D. 237.5 cm4

12 / 40

12. The angle of friction is :

A. The ratio of the friction and the normal reaction

B. The force of friction at which the body is just about to move.

C. The force of friction when the body is in motion

D. The angle between the normal reaction and the resultant of normal raction and limiting friction

13 / 40

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

A. kg-m2.

B. m4

C. kg/m2

D. kg/m

14 / 40

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

A. same at every point on its line of action

B. minimum if it acts at the C.G. of the body

C. different at different points on its line of action

D. maximum if it acts at the centre of gravity of the body

15 / 40

15. 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

A. rift+ 0.25J

B. r(rc + 0.25)

C. r(iT - 0.5)Tr -I- 0.25

D. rqc_-. 0.25)

16 / 40

16. 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

A. limiting friction

B. None of the options

C. rolling friction

D. Sliding friction

17 / 40

17. 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

A. Q sin 0

B. P + Q tan 0 Q+Psin

C. P - Q cos 0

D. P + Q cos 0 P sin 0

18 / 40

18. Kinetic friction may be defined as

A. angle between normal reaction and resultant of normal reaction and limiting friction

B. friction force acting when the body is just about to move

C. friction force acting when the body is in motion

D. ratio of limiting friction and normal reaction.

19 / 40

19. Lami's theroem states that

A. three forces acting at a point are always in equilibrium

B. if three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

C. three coplaner forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

D. three coplaner forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

20 / 40

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

A. h/2

B. hI5

C. h/3

D. hI4

21 / 40

21. A smooth cylinder lying on its convex surface remains

A. in stable equilibrium

B. in unstable equilibrium

C. out of equilibrium

D. in neutral equilibrium

22 / 40

22. 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

A. 35 kg

B. 20 kg

C. 30 kg

D. 25 kg

23 / 40

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

A. P cos 0/2

B. 2P in 0/2

C. 2P cos 0/2

D. P tan 0/2

24 / 40

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

A. position .

B. magnitude

C. direction

D. All the options

25 / 40

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

A. algebraic sum of the resolveeparts of the forces in the direction

B. sum of the forces multiplied by the sine 0

C. arithmetical sum of the resolved parts of the forces in the direction

D. difference of the forces multiplied by cosine 0?

26 / 40

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

A. All the options

B. algebraic sum of horizontal components of all the forces must be zero

C. algebraic sum of vertical components of all the forces must be zero

D. algebraic sum of the moments of the forces about a point must be zero

27 / 40

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

A. 112

B. 101

C. 211

D. 202

28 / 40

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

A. The force of friction depends upon the roughness of the surface

B. The force of friction always acts in a direction opposite to that in which the body tends to move

C. The force of friction is dependent upon the area of contact

D. The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces.

29 / 40

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

A. P ? Q

B. Q1P

C. P + Q

D. PIQ

30 / 40

30. 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

A. 3

B. 5

C. 4

D. 2

31 / 40

31. 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

A. 5 cm

B. 2.5cm

C. 0.5 cm.

D. 1 cm

32 / 40

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

A. 0.6R

B. 0.1R

C. 0.2 R

D. 0.3 R

33 / 40

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

A. non-coplaner concurrent forces

B. intersecting forces

C. coplaner non-concurrent forces

D. non-coplaner non-current forces

34 / 40

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

A. P2 + Q2 + 2PQ cos 0

B. P2 + Q2 + 2P sin 0

C. P2 + Q2 + 2PQ tan 0

D. P2+ Q2 + 2PQ cos 0

35 / 40

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

A. 7 kg

B. 117 kg

C. 5 kg

D. 1 kg

36 / 40

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

A. on any point on the line of action of the force

B. on the periphery of the body

C. at any point on the surface normal to the line of action of the force.

D. at the centre of gravity of the body

37 / 40

37. 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

A. the diagonal of the parallelogram which does not pass through the point of intersection of the forces"

B. the diagonal of the parallelogram which passes through the point of intersection of the forces"

C. its longer side"

D. its shorter side"

38 / 40

38. 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

A. 3T

B. 1/2 T

C. 2T

D. 1T

39 / 40

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

A. weight of the body is assumed to be concentrated

B. volume of the body is assumed to be concentrated

C. All the options

D. area of the surface of the body is assumed to be concentrated

40 / 40

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

A. 7.50 cm

B. 5.0 cm

C. 8.75 cm

D. 7.85 cm

Your score is

The average score is 23%

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