Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 1 (Q.No. 29)
29.
A pin-jointed tower truss is loaded as shown in the given figure. The force induced in the member DF is
1.5 kN (tension)
4.5 kN (tension)
1.5 kN (compression)
4.5 kN (compression)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

Daman sharma said:   9 years ago
It must be 1.5 compressions. So the answer should be (c).

Hrisikesh sil said:   10 years ago
It should be in compression.

Francis said:   1 decade ago
Yes, it must be compression but I think it would only be 1.5kN.

Roland said:   1 decade ago
Answer is D,

Member AD is in compression hence at joint D the vertical component of member AD will be balanced by member DF (compression).


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