Structural Analysis Questions and Answers – Internal Loadings at a Specified Point-1

This set of Structural Analysis Multiple Choice Questions & Answers (MCQs) focuses on “Internal Loadings at a Specified Point-1”.

We have followed following sign convention in our questions.
Find the most popular sign convention decided

Following sign convention for force direction is followed:-
The most popular sign convention decided is Arbitrary

1. How has been the most popular sign convention has been decided?
a) Logically
b) Arbitrary
c) Easiest to use
d) There is no popular sign convention
View Answer

Answer: b
Explanation: It has been decided randomly but, it is the most famous one to be used.
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Following figure has been used in Q2-Q7.
In the following figure, all supports are roller type and B and D are hinges. All the options are given in KN and KN/M wherever applicable.
AB = BC = CD = DE = EF = FG = 2m.
Find the most popular sign convention decided

2. What will be the internal force generated at hinge B due to the above loading?
a) 5
b) 10
c) 15
d) 20
View Answer

Answer: b
Explanation: We will cut out the first part from point A to B (Since, B is a hinge). Now balancing moment about point A, internal force will come out to be 10KN.
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3. What will be the internal force generated at hinge D due to the above loading?
a) 5
b) 10
c) 15
d) 20
View Answer

Answer: b
Explanation: We can separate the part from point B to D. Now, we have internal load at B so, we can balance moment about point C and find out the force at point D.

4. What will be the support force due to point C?
a) 5
b) 10
c) 15
d) 20
View Answer

Answer: d
Explanation: This can be found out by balancing force in the part between both the hinges.
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5. What will be the support reaction generated by support A?
a) 5
b) 10
c) 15
d) 20
View Answer

Answer: b
Explanation: This can be found out by balancing force in the part between joints A and B.

6. What will be the support reaction generated by support E?
a) 5
b) 7.5
c) 10
d) 12.5
View Answer

Answer: b
Explanation: This can be found out by balancing moment about point G in the part between joints D and F.
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7. What will be the support reaction generated by support G?
a) 5
b) 7.5
c) 10
d) 12.5
View Answer

Answer: d
Explanation: This can be found out by balancing force in the part between joints D and F.

Following figure has been used in Q8-Q10.
All the options are given in KN and KN/M wherever applicable.
Point A is pin support and point D is roller type support. Uniform horizontal load of 80KN/m is acting on beam AB.
AB = 5m, BC = CD = 2m
Find the internal force in y direction at joint B

8. What will be the internal force in y direction at joint B?
a) 5
b) 10
c) 15
d) 20
View Answer

Answer: a
Explanation: Balance moment about point A which will give support reaction at point D in Y direction. Now, balance force in y direction in beam BD.

9. What will be the internal force in x direction at joint B?
a) 0
b) 20
c) 30
d) 40
View Answer

Answer: a
Explanation: Separate out the part between points B and D and balance the force along x direction.

10. What will be the internal moment generated at joint B due to above shown loading?
a) 170
b) 340
c) 510
d) 680
View Answer

Answer: d
Explanation: It can be found out by balancing moment about point B in the part between points B and D.

Sanfoundry Global Education & Learning Series – Structural Analysis.

To practice all areas of Structural Analysis, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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