Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 3 (Q.No. 12)
12.
A cantilever beam AB, fixed at A and carrying a load W at the free end B, is found to deflect by δ at the mid-point of AB. The deflection of B due to a load W/2 at the mid-point will be
δ
δ/2
δ/4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 1 of 2.

Vai said:   8 years ago
Let midpoint of AB be point C.

As per Maxwell's Reciprocal theorem,
Force at B * Deflection at B = Force at C * Deflection at C.

W * Deflection at B = W/2 * y.
Deflection at B = y/2.

Correct answer is C.
(1)

Rabbani said:   6 years ago
W*x= w/2*deflection at the mid point.

So x= deflection at mid point/2.

A Ali said:   5 years ago
According to Maxwell's equation, Option C is correct.

Deepak said:   6 years ago
W/2 x δ = y x W(Betli's law)
It gives y = δ/4.

Sabir said:   5 years ago
The correct answer is C (A/c-Bettisfield law).
(1)

Neetu said:   5 years ago
Option C should be the correct answer.

Mayank Sharma said:   6 years ago
I think option C is correct.

Jagadish said:   4 years ago
I think option C is correct.
(1)

Ossama ali said:   9 years ago
Yes, I too think it is C.

Ravi said:   5 years ago
C is the correct Answer.


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