This set of Structural Analysis Multiple Choice Questions & Answers (MCQs) focuses on “Internal Loadings at a Specified Point-2”.
1. What will be the internal force in the y-direction at joint B, where the structure has a pin support at point A, a fixed end at point B, a roller-type support at point C, and the lengths of segments AB and BC are 4m and 8m, respectively?
a) 10
b) 20
c) 30
d) 40
View Answer
Explanation: Separate out the part between points B and C and balance the force along y direction.
2. What will be the internal force in the x-direction at joint B, where the structure has a pin support at point A, a fixed end at point B, a roller-type support at point C, and the lengths of segments AB and BC are 4m and 8m, respectively?
a) 0
b) 20
c) 30
d) 40
View Answer
Explanation: Separate out the part between points B and C and balance the force along x direction.
3. What will be the internal moment generated at joint B due in the below-shown loading, where the structure has a pin support at point A, a fixed end at point B, a roller-type support at point C, and the lengths of segments AB and BC are 4m and 8m, respectively?
a) 80
b) 120
c) 240
d) 160
View Answer
Explanation: The internal moment at joint B can be found by balancing the moment about point B for the section between B and C.
4. What will be the internal force generated at hinge D due to the above loading, where the structure has a fixed support at point A, roller-type supports at points C and F, hinges at points B and D, and the lengths of segments AB, BC, and CD are 2m each, while DE and EF are 1m each?
a) 5
b) 10
c) 15
d) 20
View Answer
Explanation: We will cut out the first part from point D to F (Since, D is a hinge). Now balancing moment about point F, internal force will come out to be 15KN.
5. What will be the internal force generated at hinge B due to the above loading, where the structure has a fixed support at point A, roller-type supports at points C and F, hinges at points B and D, and the lengths of segments AB, BC, and CD are 2m each, while DE and EF are 1m each?
a) 5
b) 10
c) 15
d) 20
View Answer
Explanation: We can separate the part from point B to D. Now, we have internal load at D so, we can balance moment about point C and find out the force at point B.
6. What will be the support force due to point C, where the structure has a fixed support at point A, roller-type supports at points C and F, hinges at points B and D, and the lengths of segments AB, BC, and CD are 2m each, while DE and EF are 1m each?
a) 15
b) 20
c) 25
d) 30
View Answer
Explanation: This can be found out by balancing force in the part between both the hinges.
7. What will be the support reaction generated by support A, where the structure has a fixed support at point A, roller-type supports at points C and F, hinges at points B and D, and the lengths of segments AB, BC, and CD are 2m each, while DE and EF are 1m each?
a) 25
b) 10
c) 15
d) 20
View Answer
Explanation: This can be found out by balancing force in the part between joints A and B.
8. What will be the support reaction generated by support F, where the structure has a fixed support at point A, roller-type supports at points C and F, hinges at points B and D, and the lengths of segments AB, BC, and CD are 2m each, while DE and EF are 1m each?
a) 5
b) 7.5
c) 10
d) 15
View Answer
Explanation: This can be found out by balancing force between points D and F.
9. What will be the moment generated by support A, where the structure has a fixed support at point A, roller-type supports at points C and F, hinges at points B and D, and the lengths of segments AB, BC, and CD are 2m each, while DE and EF are 1m each?
a) 5
b) 7.5
c) 10
d) 12.5
View Answer
Explanation: This can be found out by balancing moment between points A and C.
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