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 UNIT-III: 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. UNIT-IV: 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. UNIT-V: 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. UNIT-VI: 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.
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Author by : K. Kale A.. Utilization of energy with simple block diagrams. Steam formation. Types of steam. Steam properties-Specific Volume, Enthalpy and Internal energy. No sketches for mountings and accessories TurbinesSteam turbines - Classification, Principle of operation of Impulse and reaction.
Compounding of Impulse turbines. Gas turbines - Classification, Working principles and Operations of Open cycle and Closed cycle gas turbines.
Water turbines - Classification, Principles and operations of Pelton wheel, Francis turbine and Kaplan turbine. Internal Combustion EnginesClassification, I. P-V diagrams of Otto and Diesel cycles. Simple problems on indicated power, brake power, indicated thermal efficiency, brake thermal efficiency, mechanical efficiency and specific fuel consumption.
Refrigeration and Air ConditioningRefrigerants, properties of refrigerants, list of commonly used refrigerants. Principle and working of vapor compression refrigeration and vapor absorption refrigeration. Principles and applications of air conditioners. Room air conditioner. Parts of a lathe. Specification of lathe. Drilling MachinePrinciple of working and classification of drilling machines. Bench drilling machine, Radial drilling machine.
Specification of radial drilling machine. Principle and working of horizontal and vertical milling machines. Specification of universal milling machine. Grinding Machine - Principle and classification of grinding machines. Abrasives - Definition, types and applications.
Bonding materials. Type of grinding machines, Principle and working of surface grinding, Cylindrical grinding and centerless grinding. Brief description of Arc welding and Oxy-Acetylene welding. Lubrication and BearingsLubricants-classification and properties.
Screwcap, Tell-tale, Drop feed, Wick feed and needle lubricators. Ring, splash and full pressure lubrication. Classification of bearings, Bushed bearing, Pedestal bearing, Pivot bearing, Collar bearings and Antifriction bearings. Definitions - Velocity ratio, Creep and slip, Idler pulley, Stepped pulley and fast and loose pulley.
Gears - Definitions, Terminology, types and uses. Gear drives and gear. Trains - Definitions and classifications, Simple problems.
A TEXTBOOK OF ELEMENTS OF MECHANICAL ENGINEERING K.R.GOPALAKRISHNA PDF
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ELEMENTS OF MECHANICAL ENGINEERING BY K R GOPALAKRISHNA EBOOK DOWNLOAD
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