Structural Analysis Questions and Answers – DKI and DSI – II

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This set of Structural Analysis Multiple Choice Questions & Answers (MCQs) focuses on “DKI and DSI – II”.

A and D are pin supports, B is roller support and C is an internal roller.

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1. How many extra equations are there?
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: b
Explanation: BM is zero at pins and no horizontal force is there too.

2. What is the DSI of this system?
a) 3
b) 2
c) 1
d) 0
View Answer

Answer: d
Explanation: 5 variable forces are there and 3+2 five equations are there.

3. Sate whether this statement is true or false.
This structure is unstable.
a) true
b) false
View Answer

Answer: d
Explanation: This structure is stable. No possibility of any kind of displacement is there.
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A and D are fixed supports, B is an internal pin and C is an internal roller.

4. How many extra equations are there?
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: c
Explanation: BM is zero at pins and no horizontal force is there too at C. B too will give one extra equations.

5. What is the DSI of this system?
a) 3
b) 2
c) 1
d) 0
View Answer

Answer: d
Explanation: 6 variable forces are there and 3+3 five equations are there.
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6. Sate whether this statement is true or false.
This structure is unstable.
a) true
b) false
View Answer

Answer: d
Explanation: This structure is stable. No possibility of any kind of displacement is there.

7. If, all segment of a truss forms a triangle, then that truss is:-
a) internally stable
b) externally stable
c) internally unstable
d) externally unstable
View Answer

Answer: a
Explanation: A triangular truss is always internally stable, and if all parts of a truss form a triangle then we can say that about overall truss.

8. If an internal hinge is there in a frame member, then this member is:-
a) stable
b) unstable
c) determinate
d) can’t say
View Answer

Answer: b
Explanation: 4 equations and 3 unknowns are there. So, it is unstable.
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To practice all areas of Structural Analysis, here is complete set of 1000+ Multiple Choice Questions and Answers.

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn