Monday, January 30, 2023

Dr. A.P.J. Abdul Kalam University BE IV SEM (CE) Structural Mechanics [CE404T] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Fourth Semester Main Examination, June-2021

Structural Mechanics [CE404T]


Time: 3:00 Hrs Max Marks 70

Note: Attempt any five questions. All questions carry equal marks.

Q.1 (a) What is slenderness ratio? Write down the classification of column based

on it.

(b) What is euler's theory of long columns? Explain it with its various


Q.2 (a) Describe Euler's formula for crippling load for a column which one end is

fixed and other end hinged.

 (b) Discuss rankines hypothesis used for columns

Q.3 (a) Explain parallel axis theorem for product of inertia.

(b) Drive an expression to calculate deflection of beams due to

unsymmetrical bending.

Q.4 (a) What is shear Centre write its characteristics

 (b) Determine the location of shear Centre for unequal I section.

Q.5 (a) Explain the working of springs in series and parallel combination.

(b) What is unsymmetrical bending why it is taken place explain with

suitable example.

Q.6 (a) What are the various theories of failure in beam & column? Explain

maximum principal stress theory.

 ( b) Discuss Strain energy theory of failure explain in detail.

Q.7 (a) Derive an expression for stress induced due to falling or impact load.

(b) Discuss castigliano's theorem in detail give the formula for deflection

under axial load bending Torsion and shear.

Q.8 (a) Write a short note on maxwell's reciprocal theorem.

 (b)What is chaperons theorem give its expression.

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