Strength Of Materials (KME-502) - AKTU Question Paper 2021-22
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 2021-22. 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:2021-22
University:AKTU / UPTU
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Questions Asked in 2021-22
Strength Of Materials (KME-502) — complete question paper
Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
- aDraw Mohr’s circle for pure she ar in a two-dimensional stress field
- bWhy are stresses called tensor?
- cHow differential equation of ela stic curve is used to find slope and deflection of beam?
- dExplain section modulus and its significance
- eWhat are the types and basic functions of springs?
- fExplain slenderness ratio and its importance in the classification of columns
- gDerive the expression for finding circumferential stress in a thin cylinder subjected to internal fluid pressure
- hExplain the purpose of c ompounding thick cylinders. i. Write the expression for finding stresses due to bending in st raight and curved beams j. Differentiate between pure and unsymmetrical bending
Section BAttempt any three o f t h e f o l l o w i n g : 10 x 3 = 30
- aAt a point in a beam the norma l stress along the length is 8 0 N/mm2. The shear stress at that point is positive (CW) of magnitude 35 N/mm 2. Find the stresses on a plane whose normal is inclined at 30 0 to the longitudinal axis. Also find the principal stresses and planes on which they act
- bA simply supported beam of span 10 m carries a uniformly distr ibuted load of 40 kN/m over a length 5 m of its left half and a concentrated l oad of 80 kN at 7.5 m from the left end. Determine the slopes at the ends, and the deflections under the concentrated load and at mid-span. Take E = 2 x 10 6 kN/m2 and I =
- cDerive the expression for the critical buckling for a column h aving one end fixed and the other end free
- dThe maximum stress permitted in a thick cylinder, radii 8 cm a nd 12 cm, is 20 N/mm2, the external pressure is 6 N/mm 2, what internal pressure can be applied? Plot curves showing th e variation of hoop and radial s tresses through the material
- eExplain the following: (i) Why is the knowledge of shear center of a beams being important? (ii) Why position of neutral axis from centroid for curved beams in Winkler Bach theory is given as
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10 x 1 = 10
- aAt a point in a steel member, the major principal stress is 200 N/mm2, find the minor principal stress which is compressive. If the tensile yie ld stress is 250 N/mm2 at which yielding commence, using (i) Maximum strain energy (Haigh) theory (ii) Maximum shear strain energy (Von Mises) theory
- bA steel tube with 24 mm external diameter and 18 mm interna l diameter encloses a copper rod of 15 mm diameter to which it is rigidly joined at each end. If at a temperature of 10 0C, there is no longitudinal stress, calculate the stresses in the rod and the tube when the temperature is raised to 200 0C. Take
- aA flitched timber consists of two joists each 80 mm wide an d 240 mm deep, with a steel plate 160 mm deep and 12 mm thick placed symmetric ally between and clamped to them. Calculate the total moment of resistance o f the section if the allowable stress in joist is 9 N/mm2 take Es = 20 Et
- bThe T-section having flange of dimension 100 mm x 20 mm and w e b o f dimension 20 mm x 130 mm is subjected to a shear force of 100 k N. Draw the shear stress distribution diagram and find the maximum shear stress
- aAn open coiled helical spring made from wire if circular cr oss-section is required to carry a load of 100 N. The wire diameter is 8 mm, and the mean coil radius is 40 mm. If the helix angle of the spring is 30 0 and number of turns is 12, calculate (i) axial deflecti on (ii) angular rotation of fre e end. Take E = 200 GN/m2 and G = 82 GN/m2
- bAn I section 300 mm x 150 mm is provided with a flange plat e 200 mm x 12 mm for each flange. The I section used as a strut with one end fixed and other end hinged. Calculate the length of the member for which the cr ippling load by Rankine and Euler formula will be same. Take E = 2.1 x 10 5 N/mm2, σc = 330
- aA cylindrical shell is 3 m long, 1.5 m internal diameter an d 20 mm metal thickness. Calculate the intensity of maximum shear stress indu ced and the change in dimensions of the shell and change in volume the shel l if it is subjected to an internal pressure of 2 N/mm 2. Take E = 2 x 10 5 N/mm2 and µ =
- bDerive the Lame’s equations to find the stresses in thick c ylinders subjected to internal pressure
- aA curved beam of trapezoidal cross-section with widths as 4 0 mm and 30 mm, depth 50 mm is subjected to pur e bending moment of 1500 Nm whic h try to increase the curvature. Find th e bending stress a t outermost an d innermost fibres. Also plot the variation of bending stresses across the section
- bI section carries 40 kNm bending moment inclined at 18 0 to the x-axis determine the position of neutral axis from the x axis and the maximum bending stress acting on the section. Properties of the section: xx = 48.9 x 106 mm4, Iyy = 4.73 x 106 mm4 Zxx = 379 x 103 mm3, Zyy = 64.7 x 103 mm3
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.
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