Here, we have provided the links containing the study materials, which will help you study and prepare for your B.Tech 1st Year Elements of Mechanical Engineering 2020 edition examinations. Referring to the connections we’ve provided below and the links containing the study materials in PDF format, and the list of recommended books that we’ve provided below, you will be able to ace your examinations. We have also provided you with further details that will allow you to do well in your exams and learn more. These study materials help you understand the concepts and everything quickly and creates a better space for you to work on. These study materials give you the best resources to study from.
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- Elements of Mechanical Engineering”, K P Roy, S K Hazra Choudhury, and Nirjhar Roy, MediaPromoters and Publishers Pvt Ltd, Mumbai, 2012.5.
- A Textbook of Elements of Mechanical Engineering”, S Trymbaka Murthy, University Press(India) Pvt Ltd, 4th Edition, 2006.6.
- Basic Mechanical Engineering”, Pravin Kumar, Pearson Education, 2013.7.
- A Textbook of Elements of Mechanical Engineering”,
K R Gopalakrishna, Subhas Publishers, Bengaluru.2.
- Elements of Mechanical Engineering”, V K Manglik, PHI Learning Pvt Ltd, New Delhi, 2014.3.
- Automation, Production Systems, and CIM”,
Mikell P Groover, PHI, 3 rd Edition.4
- Elements of Mechanical Engineering, A.R.Asrani, S.M.Bhatt and P.K.Shah, B.S. Publs.
- Elements of Mechanical Engineering, M.L.Mathur, F.S.Metha&R.P.Tiwari Jain Brothers Publs., 2009.
- Theory of Machines, S.S. Rattan, Tata McGraw Hil., 2004 & 2009.
- The strength of Materials and Mechanics of Structures, B.C.Punmia, Standard Publications and distributions, 9th edition, 1991.
- Thermal Engineering, Ballaney, P.L., Khanna Publishers, 2003.
Stresses and strains: kinds of – stress-strains, elasticity and plasticity, Hooks law, stress-strain diagrams, modulus of elasticity, Poisson’s ratio, linear and volumetric strain, the relation between E, N, and K, bars of uniform strength, compound bars and temperature stresses.
Types of supports – loads – Shear force and bending moment for cantilever and simply supported beams without overhanging for all types of loads. Theory of simple bending, simple bending formula, Distribution of Flexural and Shear stress in Beam section – Shear stress formula – Shear stress distribution for some standard sections
Thin cylindrical shells: stress in cylindrical shells due to internal pressures, circumferential stress, longitudinal stress, design of thin cylindrical shells, spherical shells, change in dimension of the shell due to internal pressure, change in volume of the shell due to internal pressure. Thick Cylinders: Lame’s equation- cylinders subjected to inside and outside pressures columns and Struts.
Steam boilers and Reciprocating air compressors: Classification of boilers, essentialities of boilers, selection of different types of boilers, the study of boilers, boiler mountings and accessories. Reciprocating air compressors: uses of compressed air, work is done in single-stage and two-stage compression, inter cooling and simple problems.
Internal combustion engines: classification of IC engines, basic engine components and nomenclature, working principle of engines, Four strokes and two-stroke petrol and diesel engines, comparison of CI and SI engines, comparison of four-stroke and two-stroke engines, simple problems such as indicated power, brake power, friction power, specific fuel consumption, brake thermal efficiency, indicated thermal efficiency and mechanical efficiency.
Transmission systems: Belts –Ropes and chain: belt and rope drives, velocity ratio, slip, length of the belt , open belt and cross belt drives, the ratio of friction tensions, centrifugal tension in a belt,
power transmitted by belts and ropes, initial tensions in the belt, simple problems. Gear trains: classification of gears, gear trains velocity ratio, simple, compound –reverted and epicyclic gear trains.
- Briefly, explain the construction & working of Vapor Compression Refrigeration.
- Differentiate between Vapour Absorption and Vapour Compression Refrigeration.
- What is air-conditioning? How is it achieved in a domestic air conditioner?
- Explain the properties of good refrigerant.
- With a neat sketch explain the working principle of a Pelton wheel turbine.
- With a neat sketch Briefly, explain the 4 stroke Diesel engine.
- The following observations were obtained during a trial on a 4 stroke diesel engine. Cylinder diameter =25 cm, stroke of the piston = 40cm, crankshaft speed = 250 rpm, Brake load = 70 kg, brake drum diameter = 2m, Mean Effective pressure = 6 bar, Diesel oil consumption = 0.1 m3/ min, Specific gravity of diesel = 0.78, Calorific value of diesel = 43,900 kJ/kg. Find Break Power, Indicated Power, Friction Power, Mechanical Efficiency, Break Thermal Efficiency, and Indicated Thermal Efficiency
- Briefly, explain the construction & working of Lancashire Boiler with a neat sketch.
- Define: i) Wet Steam; ii) Enthalpy of wet steam; iii) Dryness fraction.
- Explain the De Laval’s Turbine and Parson’s Turbine with a neat sketch.
- With a neat sketch briefly explain the Hydro-electric power plant.
- Write the difference between Renewable & Non-Renewable energy resources.