B.TechSemester 52023-24Strength Of MaterialKME502

Strength Of Material (KME502) - AKTU Question Paper 2023-24

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Strength Of Material Previous Year Question Paper for B.Tech Semester 5, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 5

Session:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

Strength Of Material (KME502) — extracted question text · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f .

a
Briefly explain Poisson’s ratio and Bulk modulus. 2 1
b
What is impact load and write for mula for impact stress? 2 1
c
Why the strain at the common interface is equal in a composite beam? 2 2
d
What is the importance of s ection modulus of a beam? 2 2
e
What is spring? What are diff erent types of spring? 2 3
f
State the effect of eccentric loading on short column. 2 3
g
What is ‘Shrinkage allowan ce’ in compound cylinders? 2 4
h
In case of gas as a fluid, whic h type of container will be use d to contain the fluid? i. Briefly explain unsymmetrical bending. 2 5 j. What assumptions are taken in the analysis of shear center in beams? 2 5

Section BAttempt any three o f t h e f o l l o w i n g :

a
A composite bar made up of copper, steel and brass is rigidl y attached to the end supports as shown in figure. Determine the stresses in the t hree portions of the bar when th e temperature of the composite system is raised by 70ºC if (i) The supports are rigid (ii) The supports yield by 0.6 mm Take Ec= 100GPa, E s= 205GPa, E b= 95GPa, α c= 18 x 10 -6/ºC, αs= 11 x 10-6/ºC and αb= 19 x 10-6/ºC
b
Derive the relation of tor sional equation of shaft. 10 2
c
Using Euler’s formula, determine the critical stresses for a s t r u t o f slenderness ratio 80, 120, 160 and 200 under the condition of (i) Both ends hinged, (ii) Both ends fixed. Take E= 205 GPa
d
Wall thickness of a cylindric al shell of 800-mm internal dia meter and 2- m long is 10 mm. If the shell is subjected to an internal press ure of 1.5 MPa, find the following: (1) The maximum intensity of shear stress induced (2) The chan ge in dimensions of the shell Take E= 205 GPa, Poisson’s ratio= 0.3
e
With the help of Winkler batc h theory, derive the value of factor h2 for: (i) Circular section (ii) Trian gular section

Section CAttempt any one p a r t o f t h e f o l l o w i n g :

a
For a given loading conditions the state of stress in the wall of a cylinder is expressed as follows : (i) 85 MN/m2 tensile, (ii) 25 MN/m2 tensile at right angles to (i), and (iii) Shear stresses of 60 MN/m 2 on the planes on which the stresses (i) and (ii) act; the shear couple acting on planes carrying the 25 MN/m 2 stress is clockwise in effect. Calculate principal stresses and principal planes
b
The load on a bolt consists of an axial pull of 20 kN togeth e r w i t h a transverse shear of 10 kN, Calculate the diameter of bolt according to : (i) Maximum total strain energy theory, and (ii) Maximum shear strain energy theory. Take elastic limit in tension 280 MPa, factor of safety=3 and P oisson’s ratio = 0.3
a
A timber beam 80 mm wide and 160 mm deep is reinforced with two steel plates 5 mm thick and 60 mm wide on top and bottom. If be nding moment of 800 N-m acts at section of this beam, calculate the magnitude of maximum fiber stresses in tensions and compression in wood a nd steel. Assume ES/EW = 15
b
Compare hollow shaft and solid shaft. (i) On the basis of Strength. (ii) On the basis of weight
a
What assumptions are made in the analysis of columns by Eule r’s buckling theory? Derive an expression for Euler’s crippling loa d when both ends of column are hinged
b
A closed-coiled heli cal spring having 24 turns is made of 8-mm diameter wire. The mean diameter of the spring is 80 mm and it carries a load of 250 N. Determine the shear stress developed, the deflection and the stiffness of the spring. Take, G=84 GPa
a
Deduce the general equations for circumferential and radial stresses developed in thick cylinders along with assumptions
b
A steel tube of 120-mm external diameter is shrunk on anothe r steel tube of 48-mm internal diameter. After shrinking, the diameter at the junction is 80 mm. Initial difference of diameters at the junction befor e shrinking was 0.04 mm. Determine (i) Radial pressure at the junction, (ii) Hoop stress developed in the two tubes after the shrinking. Take E= 210 GPa
a
A simply supported I-section b eam of span 1.5 m carries a co ncentrated load of 8 kN at an angle of 20° from vertical as shown in Figur e. Load passes through the centroid of the section. Determine the maxim um bending stress in the beam
b
Briefly discuss shear centre along with examples. Prove that s u m o f moment of inertia about any set of rectangular axis is constant

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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