WBUT Instrumentation Engineering 1st Sem Engineering Mechanics (ME 101) Papers
Insight of the paper:
The WBUT Instrumentation Engineering 1st Sem Engineering Mechanics (ME 101) Paper basically deals with the study of the mechanism of the entire normal and natural phenomenon taking place all over the world and all over the universal. The topic is very much similar to that of physics; however, the approach and the in depth study on the mechanisms makes it different from physics.
Examination:
The examination has questions from almost all the sections of the syllabus. The question paper has both numerical as well as theoretical questions. Equal weight age is given to both these kinds of questions. However, the theoretical questions are also sometimes practical applications of a formula or derivation.
Paper Pattern:
The total marks of the paper are 70. There are all together 12 questions. Out of which the candidates are required to answer only 6. Apart from it there are also 12 MCQs out of which one needs to do at least 10. The paper is divided in to three sections. Section A has 12 MCQs out of which candidates are required to answer any 10. Each MCQ is of 1 mark each. The section B has 6 questions of 5 marks each. Candidates require answering any 3. The last section has long answer type questions of 15 marks each. There are all together 6 questions out of which the candidate need to answer any 3.
Syllabus:
Introduction to Statics: Fundamental idealization: Particle and Rigid body concept; Types of forces (collinear, concurrent, parallel, concentrated, distributed), Vector and scalar quantities, Transmissibility of a force (sliding vector); Lame’s Theorem Introduction to Vector Algebra, Vector Operations, Parallelogram law, Free vector, Bound Vector; representation of Forces and Moments in terms of i, j, k; Cross product and Dot product and their applications. Two and three dimensional force systems; Moment and Couple, Varignon’s theorem, Resultants, Free body concept. Resolution of a coplanar force by its equivalent Force couple system. Concept of Equilibrium in Two and Three dimensions. Equations of Equilibrium Concept of Friction; Laws of Coulomb friction, Angle of Repose
Distributed Force: Centroid and Centre of Gravity Moments of inertia of plane figures : M.I. of plane figures : MI of plane figure with respect to an axis in its plane; MI of plane figure with respect to an axis perpendicular to the plane of the figure, Parallel axis theorem; Mass moment of inertia of symmetrical bodies, e.g. cylinder, sphere, rod. Principle of virtual work with simple application
Concept of simple stresses and strains: Normal stress, Shear stress, Bearing stress, Normal strain, Shearing strain, Hooke’s law, poisson’s ratio, Examples Stress and strains under axial loading stressstrain diagram of ductile materials, Working stress, Factor of
safety, Proportional limit, Elastic Limit, Ultimate stress, Yielding, Modulus of elasticity, Definitions of malleability, ductility, toughness and resilience. Concept of thermal stress Introduction to Dynamics : Kinematics and Kinetics; Rectilinear motion of particles; determination of position velocity and acceleration – under uniform rectilinear motion (uniform and non uniform accelerated rectilinear motion), Relative motion, construction of xt, vt and at graphs (simple problems) Plane curvilinear motion of particles : Rectangular components (Projectile motion), Normal and Tangential components, Radial and Transverse components, simple problems Plane kinematics of Rigid bodies : Translation and Rotation Kinetics of particles : Rectilinear motion of particles;
Plane kinetics of Rigid bodies: Rectilinear motion Equation of motion, D.Alembert’s principle Principle of work and energy applied to particle and rigid bodies, Principle of conservation of energy, Power and efficiency, simple examples Principle of Linear Impulse and Momentum.
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