B.TechSemester 42021-22Engineering MechanicsKOE041

Engineering Mechanics (KOE041) - AKTU Question Paper 2021-22

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Engineering Mechanics Previous Year Question Paper for B.Tech Semester 4, 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 4

Session:2021-22

University:AKTU / UPTU

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Questions Asked in 2021-22

Engineering Mechanics (KOE041) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 1 0 = 2 0

a
What is the difference between collinear and concurrent for ces? 1
b
Define the Limiting angle of friction. 1
c
Define the angle of repose 2
d
Explain the types of beams. 2
e
What is the difference between mass moment of Inertia and a rea moment of Inertia
f
Define the Poler moment of Inertia. 3
g
Explain D’Alembert’s principle. 4
h
What do you understand by relative velocity? 4 (i) Define the longitudinal stress 5 (j) Define the shaft and its applications. 5

Section BAttempt any three o f t h e f o l l o w i n g : 1 0 x 3 = 3 0

a
An electric light fixture weighing 15 N hangs from a point C, by two strings AC and BC. AC is inclined at 60° to the horizontal and BC at 45 ° to the vertical as shown in Fig. determine the forces in the strings AC and BC
b
Find the forces in the members AB, AC and BC of the truss s hown in Fig
c
Determine the moment of inertia of the ‘T’ section with res pect to centroidal X-X axis. Section as shown in figure
d
The equation of motion of a particle moving in a straight line is given by: s = t+ 2.5t2-1.5t3, where s is the total, distance covered from the starting poin t in meters at the end of t seconds. Find the following: (i) the velocity and acceleration at start, (ii) the time, when the particle reaches its maximum velocity
e
What do you mean by ‘simpl e bending’ or ‘pure bending’? Wha t are the assumptions made in the theory of simple bending?

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 1 0 x 1 = 1 0

a
Determine the magnitude, di rection, and position of a singl e force P, which keeps in equilibrium the system of forces acting on the corners o f a rectangular block as shown in Fig. The position of force P may be stated by reference to axes with origin O and coinciding with the edges of the block
b
Four parallel forces of magnitudes 100 N, 150 N, 25 N and 2 00 N are shown in Fig. Determine the magnitude of the resultant and the distan ce of the resultant from point A
a
Draw the shear force & bending moment diagram for a loaded beam as shown in figure
b
Derive the relationship between Load intensity, Shear force and Bending moment for a beam
a
Derive an expression for mass moment of inertia about axis of symmetry for a right solid circular cylinder
b
Determine the moment of inertia of the section about an axi s passing through the base BC of a triangular section shown in Fig
a
Two bodies A and B of masses 5 kg and 20 kg are connected b y 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
b
Two bodies directly in line and 10 m apart are held station ary on an inclined plane having inclinati on of 20°. The co-efficient of f riction between the plane and lower body is 0.08 and that between the p lane and the upper body is 0.05. If both the bodies are set in motion at t h e s a m e instant, calculate the distan ce through which each body travels before they meet together
a
Derive the relation for a circular shaft when subjected to torsion as given below. were T = Torque transmitted, J = Polar moment of inertia, G = Modulus rigidity, Ø= Angle of twist, and L = Length of the shaft. 5 (b) A solid shaft of 150 mm diameter is used to transmit torque . Find the maximum torque transmitted by the shaft if the maximum shear stress induced to the shaft is 45 N/mm2

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.