B.TechSemester 32021-22Engineering MechanicsKOE-031
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Engineering Mechanics (KOE-031) - AKTU Question Paper 2021-22

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Engineering Mechanics Previous Year Question Paper for B.Tech Semester 3, 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 3
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Engineering Mechanics (KOE-031) — 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
  • a
    What is the difference between collinear and concurrent forces? 2 1
  • b
    Define the Limiting angle of friction. 2 1
  • c
    What is truss? Explain its types. 2 2
  • d
    Define the types of loads & supports in a beam. 2 2
  • e
    Define Mass moment of inertia & Area moment of inertia. 2 3
  • f
    What do you mean by types of motion? 2 3
  • g
    Explain D’Alembert’s principle with suitable example. 2 4
  • h
    Define the longitudinal & lateral strain. 2 4 i. What do you mean by pure bending in beams? 2 5 j. Define a shaft & torsional rigidity. 2 5
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    Four forces act tangentially to a circle of radius 200 mm as sh own in figure. Find the magnitude, inclination & distance of the resultant fro m center of circle
  • b
    Draw the shear force & bending moment diagram for a loaded beam as shown in figure
  • c
    Determine the co-ordinates XC and YC of the centre of a 100 mm diameter circular hole cut in a thin plate so that this point will be the centroid of the remaining shaded area shown in Fig
  • d
    A car, moving on a straight level road, skidded for a total dis tance of 60 meters after the brakes were applied. Determine the speed of the car, just before the brakes were applied, if the co-efficient of friction between th e car tyres and the road is 0.4. Take g = 9.80 m/s2
  • e
    Determine the total extension of the bar loaded as shown in fig ure. Take E = 2.5 MPa
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
  • a
    A ladder 7 m long rests against a vertical wall with which is m akes an angle 450 & resting on a floor. If a man whose weight is one half of tha t the ladder climbs it, at what distance along the ladder will he be when la dder is about to slip? Take coefficient of friction between all contact surfaces 0.3
  • b
    The two cylindrical rollers of weight 50 N each are placed insi de a cup as shown in figure. Find the reactions at points of contact
  • a
    Determine the magnitude and nature of forces in members EF, FC and CB of the truss shown in figure. 10 2 b. Draw the shear force & bending moment diagram for the beam show n in figure also find out the value of maximum bending moment & position of point of contraflexure
  • a
    Determine the moment of inertia of the ‘L’ section with respect to centroidal X-X axis. Section as shown in figure
  • b
    Derive an expression for mass moment of inertia about axis of s ymmetry for a right solid circular cone
  • a
    The equation of motion of a particle moving in a straight line is given by: s = 9t+ 7t 2-1.5t3, where s is the total, distance covered from the starting point in meters at the end of t seconds. Find the following
  • b
    Two bodies A and B of masses 5 kg and 20 kg are connected by an inclined string. A horizontal force P of 100 N is applied to block B. Ca lculate the tension in the string and acceleration of the system. Take coef ficient of friction for all surfaces as 0.25. Refer figure
  • a
    Derive the Bending equation for pure bending in beams with assumptions. Also define the neutral axis & section modulus for a beam
  • b
    Calculate the suitable diameter for a solid circular shaft to t ransmit 60 kW power at 200 rpm, if the twist is not to exceed 2 0 in 3 m length of the shaft and maximum shear stress is limited to 70 MN/m 2 . Take shear modulus G = 90 GPa

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 — KOE-031

Questions that appeared in more than one session, found by comparing 2 years of Engineering Mechanics papers (2021-22, 2022-23)

2x

What is the difference between collinear and concurrent forces? 2 1

Appeared in: 2021-22 · 2022-23

2x

Draw the shear force & bending moment diagram for a loaded beam as shown in figure

Appeared in: 2021-22 · 2022-23

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