Engineering Mechanics (312312) MSBTE QuAn Question Answer Book

Description

QuAn Book – Engineering Mechanics (312312)

The QuAn Book for Engineering Mechanics (Subject Code: 312312) is a premium study material designed for MSBTE K-Scheme Diploma Engineering students. It provides a complete, topicwise question bank with model answers to help you score maximum marks.

Syllabus Coverage (MSBTE K-Scheme)

• Unit I – Simple Lifting Machine: Concept of simple lifting machine, load, effort, mechanical advantage, velocity ratio, efficiency of machines, reversible and non-reversible/self locking machines. (IKS: Hand axe as wedge, Lever in battle, Inclined Plane for loading, Pulleys to lift water in irrigation); Concept of ideal machine and its conditions, machine friction, ideal effort, ideal load, effort lost in friction and load lost in friction, maximum mechanical advantage and maximum efficiency; Nature of graphs: Load vs. effort, load vs. ideal effort, load vs. MA, load vs. efficiency, Law of machine and its uses; Velocity ratios of inclined plane, Differential axle and wheel, Worm and worm wheel, Single purchase and double purchase crab winch, Simple screw jack, Weston’s differential pulley block, geared pulley block, two sheave pulley block, three sheave pulley block
• Unit II – Analysis of Forces: Introduction of Mechanics: Engineering Mechanics, Statics, Dynamics, Kinetics, Kinematics, concept of rigid body, Force: definition, unit, graphical representation, Bow’s notation, characteristics, Types of force system; Moment of force: Definition, unit, sign conventions, couple and its properties; Law related to forces: Law of transmissibility of force, Law of polygon of forces, Varignon’s theorem of moments, Law of moment, Law of parallelogram of forces. (IKS: Weighing scale in Mohenjodaro, Harappa); Resolution of coplanar forces: orthogonal and non orthogonal components of a force; Composition of coplanar forces using analytical method. Resultant of collinear, concurrent and non-concurrent force system; Composition of coplanar forces using graphical method. Resultant of concurrent force system and parallel force system consisting of maximum four forces only
• Unit III – Equilibrium of Forces: Equilibrium and its conditions; Equilibrant and relation with resultant, Equilibrant of concurrent force system; Lami’s Theorem and its applications, Concept of Free body diagram, (Problems having not more than two unknown.); Types of supports: fixed, simple, hinged and roller. Types of beams: cantilever, simply supported, overhanging, continuous and fixed. Types of loads: vertical and inclined point load, uniformly distributed load (UDL); Determination of Beam reactions using analytical method for cantilever, simply supported and overhanging beam subjected to vertical load, inclined load and uniformly distributed load (combination of any two types of loading)
• Unit IV – Friction: Friction and its relevance in engineering, types and laws of friction, limiting equilibrium, limiting friction, co-efficient of friction, angle of friction, angle of repose, and their relationship; Equilibrium of bodies on level surface subjected to force (Pull and Push) parallel to plane and inclined to plane; Equilibrium of bodies on inclined plane subjected to force parallel to the plane only; Forces acting on ladder (only free body diagram, no numerical)
• Unit V – Centroid and Centre of Gravity: Centroid of geometrical plane figures: square, rectangle, triangle, circle, semi-circle, quarter circle (IKS: Archery arrowheads in Ramayana, Arch in archeological structures such as Mahal, Gol Gumbaz); Centroid of composite figures such as L, T, I, C, Z sections consisting of not more than three simple figures; Centre of Gravity of simple solids: cube, cuboid, cylinder, cone, sphere and hemisphere (no hollow solids); Centre of Gravity of composite solids composed of not more than two simple solids

What’s Inside the QuAn Book?

• Topicwise Question Bank – All important 2, 4 and 6 marks questions by unit
• Model Answers – Step-by-step solutions with diagrams and marking scheme
• Previous Exam Questions – Actual MSBTE Summer and Winter exam questions
• Frequency Analysis – Most repeated questions highlighted for focused study
• Marking Scheme – Know exactly what to write to score full marks
• Last Minute Ready – Ideal for quick and focused exam preparation

Subject Code: 312312 | Subject: Engineering Mechanics | Board: MSBTE | Scheme: K Scheme | Published by: ReemaS Edutech, Kolhapur