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.
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| Engineering mechanics |
Objective questions:
1. All vectors quantities that follows...
a) Paralleo-gram law of additionb) 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.
Answer: A
2. If the vector is multiplied by scalar then that magnitude is increase by amount of their scalar magnitude.
A) True
B) False
Answer: A
3. What is the addition of squares of the cosine angles by the force vector..?
A. 1
B. ½
A. 1
B. ½
C. 2
D. 3
Answer: A
4. whenever two vectors are there, they are always in a single plane.
A. TRUE
B. FALSE
Answer: A
5. Magnitude of the unit vector is equal to...
a) √3
b) √2
c) 1
d) 0
a) √3
b) √2
c) 1
d) 0
Answer: C
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.
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.
Answer: C
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
a) j x j = 0
b) j x k = i
c) j x i = k
d) j x i = -k
Answer: C
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
a) i x i =1
b) j x i = -J
c) k x j = -I
d) k x k = 1
Answer: C
9. The tendency of a force to rotate the body is known as moment of the force.
a) True
b) False
a) True
b) False
Answer: A
10. The tendency of rotation of body along the axis also known as the...
A. Moment
B. acceleration
C. copule
D. torque
Answer: D
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
a) True
b) False
Answer: A
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
Answer: A
13. couple is a combination of 2 forces of the same magnitude.
A. True
B. False
Answer: A
14.The distance between forces acting in the couple are ..
a) Infinity
b) 0
c) A finite distance
d) A circular loop
a) Infinity
b) 0
c) A finite distance
d) A circular loop
Answer: C
15. The resultant of the force acting on the couple is must be zero anytime.
A. True
B. False
Answer: A
16. A couple moment is a which type of vector.
a) Gradientb) Scalar
c) Del
d) Free
Answer: D
17. The R couple moment is vector addition of the various couples acting in body.
A. True
B. False
Answer: A
18. In the collinear force system, a net force is make after all the simply completed on all forces.
a) TRUE
b) FALSE
a) TRUE
b) FALSE
Answer: A
19. The resultant force equal to.....of all the forces.
a) Sum
b) Product
c) Subtraction
d) Division
a) Sum
b) Product
c) Subtraction
d) Division
Answer: A
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
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
Answer: B
21. The equilibrium is only possible if the net force on the body tends to be equal to zero.
A. True
B. False
Answer: A
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
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
Answer: A
23. Cantilever beams are always in equilibrium, when formed equilibrium equations or not.
A. True
B. False
Answer: A
24. The force developed by a support does allow to the translation of its attached member.
A. True
B. False
Answer: B
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
a) Force
b) Couple moments
c) Both a) and b)
d) Inertia
Answer: C
26.The planar trusses that lie on a plane.
A. True
B. False
Answer: A
27.In the roof truss the load is transmitted when the...
a) First to the truss then the joints through purlinsb) the joints through trusses
c) First to the truss then the purlins to joints
d) First to the joints then through purlins
Answer: A
28. Which of the following sequence is used to bridge the load is transferred by
a) Stringers > floor beams > jointsb) Floor beams > stringers > joints
c) Joints > floor beams > stringers
d) Stringers > joints > floor beams
Answer: A
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
d) The roads are made narrow
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
d) The roads are made narrow
Answer: A
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
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
Answer: B
31. A simple truss are in a shape of a triangle.
A. True
B. False
Answer: A
32.The transmission of the load on the bridges follow as from stringers to floor beams and then joints.
A. True
B. False
Answer: A
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 jointsb) Section method
c) Scalar field method
d) Vector equilibrium method
Answer: A
34. For applying the method of joint at various joints the forces are need to coplanar.
a) False
b) True
a) False
b) True
Answer: B
35.The magnitude of the resultant of the 2 vectors is always:
a) Greater than one of the vector’s magnitudeb) Smaller than one of the vector’s magnitude
c) Depends on the angle between them
d) Axis we choose to calculate the magnitude
Answer: C
36. Zero force members having which type of the loadings.
a) Infiniteb) No
c) Minimum
d) Maximum
Answer: B
37. The zero forces are increasing the stability of the structures.
A. True
B. False
Answer: A
38. Can be possible to find the zero force members by only inspections.
a) Trueb) False
Answer: A
39. method of joints uses when the members on which the force to be found are in less number.
a) Trueb) False
Answer: True
40. The method of section ..... the whole structure of trusses into section and then uses the cut out portion for the calculations.
A. Add
B. Cut
C. Substract
D. Devide
Answer: B
41. Frame and machine are two types of structural which are made up of pin connected multi-force members.
A. True
B. False
Answer: A
42 ....are used as the support loads.
a) Trussb) Machines
c) Frames
d) Beams
Answer: C
43. The machines are designed like it contain the moving parts.
A. True
B. False
Answer: A
44. The machines are designed such that it could be transmit the effects of forces.
A. True
B. False
Answer: A
45. The forces calculated because of the designing of the frames and machines.
A. True
B. False
Answer: A
46. The space truss is not a structure made of slender members.
A. True
B. False
Answer: B
47.The planar trusses lie on a plane while the space truss in three D volume.
A. True
B. False
Answer: A
48. To design the space trusses is followed?
a) All the loads by use of cablesb) The loads are applied at the joints
c) All the loads are not applied at the joints
d) The loads are not applied
Answer: B
49. The roof load is transferring to the truss first.
A. True
B. False
Answer: A
50. As space trusses are used in bridges. When
a) A rocker or a roller is used at the jointsb) They are not extended to such a long distance
c) The bridges are painted
d) The roads are made narrow
Answer: A
51. The get the internal loading it usually done to.......
a) Break the beamb) Know the length
c) Know the diameter
d) Designed the beam
Answer: D
52. The internal loading get by which of the following method.
a) Method of sectionsb) Method of area
c) Method of line
d) Method of volume
Answer: A
53.In section method the joints is take out the forces in beams.
a) Trueb) False
Answer: A
54. The forces acting perpendicular to the body of the beams are known as normal forces.
A. True
B. False
Answer: A
55. The couple moment producing in the beams are known as the__
a) Moment of distanceb) Moment of line
c) Moment of bending
d) Bending moment
Answer: D
56. The force components preventing the beam from the process....
a) Relative translationb) Relative rotation
c) Relative transformation
d) Relative collapse
Answer: A
57. The couple moment preventing a beam from the process...
a) Relative translationb) Relative rotation
c) Relative transformation
d) Relative collapse
Answer: B
58. What is not the condition if considering the section on which the method of section is applied?
a) ∑Fx=0b) ∑Fy=0
c) ∑Fz=0
d) ∑F≠0
Answer: D
59. Which forces is used in the method of section to get internal forces.
a) Internal rotationalb) Couple rotational
c) Translational
d) External
Answer: D
60. What do To get normal force on the supports
a) Make the vertical sum of the forces equal to 0b) 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
Answer: A
61. What to do to get horizontal component of the support reaction
a) Make the vertical sum of the forces equal to 0b) 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
Answer: B
62. Twisting moment is also Known...
a) Moment of lineb) Moment of section
c) Moment of plane
d) Torsional moment
Answer: D
63. Torsional moment is applied on which point of beam...
a) The centroidb) The left end
c) The right end
d) The axis beyond body
Answer: A
64. The load is acting on.....of body.
a) Centroidb) Symmetrical centre
c) Rotational centre
d) Chiral centre
Answer: A
65. The normal force is calculated by equating the vertical forces equal to zero.
A. True
B. False
Answer: A
66. The normal force created a tension then the force called....
a) Positiveb) Negative
c) Rotational
d) Collinear
Answer: A
67. Beams are long and straight structure that use to to support the loadings.
A. True
B. False
Answer: A
68. Beams having which type of c/s area.
a) Non-uniformb) Rounded
c) Helical
d) Uniform
Answer: D
69. Simply supported beams are fixed at both the ends.
a) Trueb) False
Answer: A
70. The one end of the cantilever beam is fixed and the other end is free.
A. True
B. False
Answer: A
Here we concluding, If you have any queries about this topic then feel free to comment below.
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