B.TechSemester 52022-23Strength Of MaterialsKME502

Strength Of Materials (KME502) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Strength Of Materials Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. 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:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Strength Of Materials (KME502) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
What is Hook’s law? Explain
b
What are thermal stre ss and thermal strain?
c
What is spring? What are different types of spring?
d
Differentiate between t hin and thick shells
e
Using Area-moment method find the maximum deflection and slope for a simply supported beam with a uniform distributed load “w” on it
f
What are principal stress es and principal planes?
g
Explain Castigiliano’s theorem
h
Explain are shear Centre. i. Differentiate between open coiled and closed coiled helical spring. j. Explain: (i) Section Modulus (ii) Slenderness Ratio

Section BAttempt any three of the following: 10 x 3 = 30

a
A tensile load of 60KN is gradually applied to a circular ba r of 4 cm diameter of 5 m long. If the value of E = 2 x 105 N/mm2. Determine: (i) Stretch in the rod (ii) Stress in the rod (iii) Strain energy absorbed If tensile load of 60 KN is applied suddenly. Determine (iv) Maximum instantaneous stress is induced (v) Instantaneous elongation in the rod (vi) Strain energy absorbed in the rod
b
A compound cylinder is formed by shrinking one tube to anoth er, the inside and outside diameters of the outer tube being 120 mm and 180 mm respectively and of the inner tube being 60 mm and 120 mm respectively. After shrinking, the radial pressure at the common surface is subjected to an internal pressure of 80 MPa; determine the final stresses set up at various surfaces of the cylinder. What is the resultant radial pressure at the common surface?
c
Compare hollow shaf t and solid shaft. (i) On the basis of Strength. (ii) On the basis of weight
d
A 3.2 m long fixed end hollow cast iron column has its inter nal and external diameter as 60 mm and 80 mm respectively. Determine Rankine’s c rippling load using the value of crushing stress to be 500 MPa and the v alue of Rankine’s constant 1/1600. Locate the shear center for the given I-channel section

Section CAttempt any one part of the following: 10 x 1 = 10

a
The stresses on two perpendic ular planes through a point in a body are 30 MPa and 15 MPa both tensile along with a shear stress of 25 MPa. Find (i) The magnitude and direction of principal stresses (ii) The planes of maximum shear stress (iii) The normal and shear stresses on the planes of maximum shearing stress
b
Principal stresses at a point in an elastic material are 100 MPa tensile and 25 MPa compressive. Determine the fa ctor of safety against failure based on five various theories. The elastic limit in simple tension is 220 MPa and Poission’s ration 0.3
a
A simply supported beam of 8-m length carries two point load s of 64 KN and 48 KN at 1m and 4 m respectively from the left hand end. Fi nd the deflection under each load and the maximum deflection. Take E=2 10 GPa and I = 180 X 10
b
Two wooden planks 150 x50 mm each are connected to form a T- section of
a
beam. If a moment of 3.4 KNm is applied around the horizontal neutral axis, inducing tension below the neutral axis. Find the stresse s at the extreme fiber of the cross section. Also analyze the total tensile forc e on the cross- section
a
Derive an expression for axial elongation and maximum shear stress for a closed coiled helical spring, taking all the necessary assumpti on in to account. Also discuss Wahl’s correction factor
b
A leaf spring of semi-ellipti cal type having 8 plates is 1 m long. The metallic plates have a proof stress in bending of 600 MPa. Each plate is 60mm wide and 12 mm thick. Find the initial radius of the plates. Also fi nd the height from which a load of 400 N may fall on the centre of the spring i f t h e maximum stress so produced is one half of the proof stress. Take E= 204 GPa
a
Derive Lame’ Equation for th ick cylindrical shell (with neat s k e t c h ) . A l s o write assumptions in deriving the equation
b
For thin cylindrical shell . Derive a relation for: (i) Stresses (Circumferential stress, Longitudinal stress, Radial stress) (ii) Strain (Circumferential strain , longitudinal strain, and volumetric strain)
a
A 4 meter long simply supported beam of 80 mm width and 100 mm depth carries a load of 10KN at the midspan. The load is inclined at 300 t o t h e vertical longitudinal plane and the line of action of the load passes through the centroid of the rectangular section of the beam. Determine the stresses at all the corners of the section
b
A curved bar of rectangular section of 30mm width, 40mmdepth a n d m e a n radius of curvature of 30 mm i s initially unstressed. If a bend ing moment of 400Nm is applied to the bar which tends to straighten it, deter mine the s t r e s s e s a t t h e i n n e r a n d o u t e r s u r f a c e s a n d s k e t c h a d i a g r a m to show the variation of stresses across the section. Also find the location of neutral axis

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 Materials papers (2021-22, 2022-23, 2023-24)

What is spring? What are different types of spring?

Appeared in: 2022-23 · 2023-24

Compare hollow shaf t 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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