Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 5 (Q.No. 35)
35.
The following two statements are made with reference to the planar truss shown below
With refernece to the above statements, which of the following applies ?
- The truss is statically determinate
- The truss is kinematically determinate
With refernece to the above statements, which of the following applies ?
Discussion:
5 comments Page 1 of 1.
Prathik said:
8 years ago
The answer is D
m+r-2j=0 (Ds) so statically determinate.
Dk=12 hence kinematically indeterminate.
m+r-2j=0 (Ds) so statically determinate.
Dk=12 hence kinematically indeterminate.
Yesika said:
6 years ago
(d) l is true but ll false.
Explanation: Degree of static indeterminacy Ds = m + re - 2j.
Hence, m =12, j = 9 and re =6,
Ds = 12 + 6 - (2 x 9) =0,
Degree of kinematic indeterminacy= Dk = 2j - re - m = (2 X 9) - 6 - 0 = 12,
Thus, truss is statically determinate and kinematically indeterminate.
Explanation: Degree of static indeterminacy Ds = m + re - 2j.
Hence, m =12, j = 9 and re =6,
Ds = 12 + 6 - (2 x 9) =0,
Degree of kinematic indeterminacy= Dk = 2j - re - m = (2 X 9) - 6 - 0 = 12,
Thus, truss is statically determinate and kinematically indeterminate.
Priyanka said:
5 years ago
C is the right answer.
Praveen Kumar said:
4 years ago
Answer is D.
Ds = Dsi + Dse = - 3+3 = 0 = Statically Determinate.
Dk = 2j - e = 2 * 9-3 = 15 = Kinematically Indeterminate.
Ds = Dsi + Dse = - 3+3 = 0 = Statically Determinate.
Dk = 2j - e = 2 * 9-3 = 15 = Kinematically Indeterminate.
Phanindra said:
3 years ago
D is the correct answer.
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