A TEXTBOOK OF ELEMENTS OF MECHANICAL ENGINEERING K.R.GOPALAKRISHNA PDF

Author by : K. Kale A.. Utilization of energy with simple block diagrams. Steam formation. Types of steam.

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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. Gear trains: classification of gears, gear trains velocity ratio, simple, compound —reverted and epicyclic gear trains. Define: i Wet Steam; ii Enthalpy of wet steam; iii Dryness fraction.

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. What is air-conditioning? How is it achieved in a domestic air conditioner? Explain the properties of good refrigerant.

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A TEXTBOOK OF ELEMENTS OF MECHANICAL ENGINEERING K.R.GOPALAKRISHNA PDF

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WORKSHOP TECHNOLOGY VOL 2 BY HAJRA CHOUDHARY PDF

ELEMENTS OF MECHANICAL ENGINEERING BY K R GOPALAKRISHNA EBOOK DOWNLOAD

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. Gear trains: classification of gears, gear trains velocity ratio, simple, compound —reverted and epicyclic gear trains. Define: i Wet Steam; ii Enthalpy of wet steam; iii Dryness fraction.

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