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) — complete question paper · 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. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KME502

Questions that appeared in more than one session, found by comparing 3 years of Strength Of Material papers (2021-22, 2022-23, 2023-24)

What is spring? What are diff erent types of spring? 2 3

Appeared in: 2022-23 · 2023-24

Compare hollow shaft and solid shaft. (i) On the basis of Strength. (ii) On the basis of weight

Appeared in: 2022-23 · 2023-24

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