# JNTUK R20 1-2 Basic Civil and Mechanical Engineering Material PDF Download

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Students those who are studying JNTUK R20 EEE Branch, Can Download Unit wise R20 1-2 Basic Civil and Mechanical Engineering Material/Notes PDFs below.

### JNTUK R20 1-2 Basic Civil and Mechanical Engineering Material PDF Download

Course Objectives:

COB 1: To impart basic principles of stress, strain, shear force and bending moment.

COB 2: To teach principles of strain measurement using electrical strain gauges.

COB 3: To impart basic characteristics of building materials.

COB 4: To familiarize the sources of energy, power plant economics and environmental aspects.

COB 5: To make the students to understand the basics concept of Boilers & I.C. engines.

Course Outcomes: At the end of this course, the student will be able to

CO 1 : Apply Shear force diagram & Bending moment diagram principles for Cantilever and Simply supported beams.

CO 2 : Apply concepts of Rosette analysis for strain measurements.

CO 3 : Analyse the characteristics of common building materials.

CO 4 : Compare the working characteristics of Internal Combustion engines.

CO 5 : Compare the differences between boiler mountings and accessories.

UNIT-1

Basic Definitions of Force Stress Strain Elasticity. Shear force Bending Moment Torsion . Simple problems on Shear force Diagram and Bending moment Diagram for cantilever and simply supported beams.

Unit-2

Measurement of Strain – Electrical Capacitance and Resistance Strain gauges multi channel strain indicators. Rosette analysis Rectangular and Triangular strain rosettes.

Unit-3

Characteristics of common building materials Brick Types Testing; Timber Classification Seasoning Defects in Timber; Glass Classification uses; steel and its applications in construction industry.

Unit-4

Hydraulic Turbines And Pumps: Introduction to Power transmission tools, Hydraulic Turbines: ClassificationDifference between Impulse and Reaction Turbine. Pumps: Classification of Pumps, Centrifugal Pump-Applications-PrimingReciprocating Pumps, Single Acting & Double acting-Comparison with Centrifugal Pump

Unit-5

I.C Engine: Heat Engine Types of Heat Engine Classification of I.C. Engine-Valve Timing Diagram, Port Timing Diagram- Comparison of 2S & 4S Engines- Comparisonof Petrol Engine and Diesel Engine-Fuel System of a Petrol Engine-Ignition Systems. Boilers: Classification of Boilers Simple Vertical Boiler Cochran Boiler Babcock and Wilcox Boiler Benson Boiler Difference between Fire Tube and Water Tube Boilers Boiler Mountings and Accessories.