# Mcq on engineering mechanics

The Mechanical engineering, is playing a vital role in today's Technology.
It Assist you to done things with ease, and also it brings the helpful technologies to modernize our society.

So keeping these things in mind, Lets learn about the topic of Mcq on engineering mechanics.

Multiple choice questions (MCQ)on Engineering mechanics. Engineering mechanics

Objective questions:

1. All vectors quantities that follows...

b) Parallelo-gram law of multiplication
c) Parallelo-gram law of addition of square root
d) Parallelo-gram law of addition of square of their magnitudes and directions.

2. If the vector is multiplied by scalar then that magnitude is increase by amount of their scalar magnitude.
A) True
B) False

3. What is the addition of squares of the cosine angles by the force vector..?
A. 1
B. ½
C. 2
D. 3

4. whenever two vectors are there, they are always in a single plane.
A. TRUE
B. FALSE

5. Magnitude of the unit vector is equal to...
a) √3
b) √2
c) 1
d) 0

6. A vector can having always...
a) Only one component along any of the axis
b) Only two components along any of the axis
c) Only three components along any of the axis
d) A unit vector along the direction perpendicular.

7. Which of the following must not be not correct...?
a) j x j = 0
b) j x k = i
c) j x i = k
d) j x i = -k

8. Which of the following is accurate statements from following?
a) i x i =1
b) j x i = -J
c) k x j = -I
d) k x k = 1

9. The tendency of a force to rotate the body is known as moment of the force.
a) True
b) False

10. The tendency of rotation of body along the axis also known as the...
A. Moment
B. acceleration
C. copule
D. torque

11.If the opening door, force applied is more if you open it from the part closer to the hinged part.
a) True
b) False

12. The moment axis is always perpendicular to the planes of force & the distance of axis and point of action of force on the body.
A. True
B. False

13. couple is a combination of 2 forces of the same magnitude.
A. True
B. False

14.The distance between forces acting in the couple are ..
a) Infinity
b) 0
c) A finite distance
d) A circular loop

15. The resultant of the force acting on the couple is must be zero anytime.
A. True
B. False

16. A couple moment is a which type of vector.
b) Scalar
c) Del
d) Free

17. The R couple moment is vector addition of the various couples acting in body.
A. True
B. False

18. In the collinear force system, a net force is make after all the simply completed on all forces.
a) TRUE
b) FALSE

19. The resultant force equal to.....of all the forces.
a) Sum
b) Product
c) Subtraction
d) Division

20. Newton’s third law implied that the..
a) The rate of change of momentum is equal to the force applied
b) For every action, there is an opposite reaction
c) The body tends to be rotated if the force is applied tangentially
d) The body is rest until a force is applied

21. The equilibrium is only possible if the net force on the body tends to be equal to zero.
A. True
B. False

22.Newton’s second law implied that the..
a) The rate of change of momentum is equal to the force applied
b) For every action, there is an opposite reaction
c) The body is tend to be rotated if the force is applied tangentially
d) The body is rest until a force is applied

23. Cantilever beams are always in equilibrium, when formed equilibrium equations or not.
A. True
B. False

24. The force developed by a support does allow to the translation of its attached member.
A. True
B. False

25.The single pin, single bearing and the single hinge that can resist..
a) Force
b) Couple moments
c) Both a) and b)
d) Inertia

26.The planar trusses that lie on a plane.
A. True
B. False

27.In the roof truss the load is transmitted when the...
a) First to the truss then the joints through purlins
b) the joints through trusses
c) First to the truss then the purlins to joints
d) First to the joints then through purlins

28. Which of the following sequence is used to bridge the load is transferred by
a) Stringers > floor beams > joints
b) Floor beams > stringers > joints
c) Joints > floor beams > stringers
d) Stringers > joints > floor beams

29. When the bridge extent on etra route then which of the following is correct...
a) A rocker or the roller is used at the joints
b) They are not extended to such a long distance
c) The bridges are painted

30. To design the trusses which of the following is correct.
a) All the loads are applied by the use of cables
b) The loads are applied at the joints
c) All the loads are not applied to joints
d) The loads are not applied at joints

31. A simple truss are in a shape of a triangle.
A. True
B. False

32.The transmission of the load on the bridges follow as from stringers to floor beams and then joints.
A. True
B. False

33. If the whole truss is in equilibrium then all the joints which are connected to that truss is in equilibrium. This is called as
a) Method of joints
b) Section method
c) Scalar field method
d) Vector equilibrium method

34. For applying the method of joint at various joints the forces are need to coplanar.
a) False
b) True

35.The magnitude of the resultant of the 2 vectors is always:
a) Greater than one of the vector’s magnitude
b) Smaller than one of the vector’s magnitude
c) Depends on the angle between them
d) Axis we choose to calculate the magnitude

a) Infinite
b) No
c) Minimum
d) Maximum

37. The zero forces are increasing the stability of the structures.
A. True
B. False

38. Can be possible to find the zero force members by only inspections.
a) True
b) False

39. method of joints uses when the members on which the force to be found are in less number.
a) True
b) False

40. The method of section ..... the whole structure of trusses into section and then uses the cut out portion for the calculations.
B. Cut
C. Substract
D. Devide

41. Frame and machine are two types of structural which are made up of pin connected multi-force members.
A. True
B. False

42 ....are used as the support loads.
a) Truss
b) Machines
c) Frames
d) Beams

43. The machines are designed like it contain the moving parts.
A. True
B. False

44. The machines are designed such that it could be transmit the effects of forces.
A. True
B. False

45. The forces calculated because of the designing of the frames and machines.
A. True
B. False

46. The space truss is not a structure made of slender members.
A. True
B. False

47.The planar trusses lie on a plane while the space truss in three D volume.
A. True
B. False

48.  To design the space trusses is followed?
a) All the loads by use of cables
b) The loads are applied at the joints
c) All the loads are not applied at the joints
d) The loads are not applied

49. The roof load is transferring to the truss first.
A. True
B. False

50. As space trusses are used in bridges. When
a) A rocker or a roller is used at the joints
b) They are not extended to such a long distance
c) The bridges are painted

a) Break the beam
b) Know the length
c) Know the diameter
d) Designed the beam

a) Method of sections
b) Method of area
c) Method of line
d) Method of volume

53.In section method the joints is take out the forces in beams.
a) True
b) False

54. The forces acting perpendicular to the body of the beams are known as normal forces.
A. True
B. False

55. The couple moment producing in the beams are known as the__
a) Moment of distance
b) Moment of line
c) Moment of bending
d) Bending moment

56. The force components preventing the beam from the process....
a) Relative translation
b) Relative rotation
c) Relative transformation
d) Relative collapse

57. The couple moment preventing a beam from the process...
a) Relative translation
b) Relative rotation
c) Relative transformation
d) Relative collapse

58. What is not the condition if considering the section on which the method of section is applied?
a) ∑Fx=0
b) ∑Fy=0
c) ∑Fz=0
d) ∑F≠0

59. Which forces is used in the method of section to get internal forces.
a) Internal rotational
b) Couple rotational
c) Translational
d) External

60. What do To get normal force on the supports
a) Make the vertical sum of the forces equal to 0
b) Make the horizontal sum of the forces equal to 0
c) Make the moment sum of the forces equal to 0
d) Make the rotational sum of the forces equal to 0

61. What to do to get horizontal component of the support reaction
a) Make the vertical sum of the forces equal to 0
b) Make the horizontal sum of the forces equal to 0
c) Make the moment sum of the forces equal to 0
d) Make the rotational sum of the forces equal to 0

62. Twisting moment is also Known...
a) Moment of line
b) Moment of section
c) Moment of plane
d) Torsional moment

63. Torsional moment is applied on which point of beam...
a) The centroid
b) The left end
c) The right end
d) The axis beyond body

64. The load is acting on.....of body.
a) Centroid
b) Symmetrical centre
c) Rotational centre
d) Chiral centre

65. The normal force is calculated by equating the vertical forces equal to zero.
A. True
B. False

66. The normal force created a tension then the force called....
a) Positive
b) Negative
c) Rotational
d) Collinear

67. Beams are long and straight structure that use to  to support the loadings.
A. True
B. False

68. Beams having which type of c/s area.
a) Non-uniform
b) Rounded
c) Helical
d) Uniform

69. Simply supported beams are fixed at both the ends.
a) True
b) False

70. The one end of the cantilever beam is fixed and the other end is free.
A. True
B. False

Here we concluding, If you have any queries about this topic then feel free to comment below.

To get more articles please check on

Related articles:

Previous Post
Next Post