All Materials regarding to B.tech R-20 in Civil Engineering in 1st Year 2nd Semester with unit wise for Every Subjects are available.
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| Civil 1-2 Engineering Mechanics | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
Civil 1-2 EM Important Topics
UNIT I:
POLYMER TECHNOLOGY 8 hrs
Polymerisation:- Introduction, methods of polymerization (emulsion and suspension), mechanical
properties.
Plastics: Compounding, fabrication (compression, injection, blown film and extrusion), preparation,
properties and applications (PVC, polycarbonates and Bakelite), mention some examples of plastic
materials used in electronic gadgets, recycling of e-plastic waste (waste to wealth).
Elastomers:- Introduction, preparation, properties and applications (Buna S, thiokol and
polyurethanes).
Composite materials: Fiber reinforced plastics, conducting polymers, biodegradable polymers,
biopolymers, biomedical polymers.
UNIT II:
ELECTROCHEMICAL CELLS AND CORROSION 10 hrs
Single electrode potential, electrochemical series and uses of series, standard hydrogen electrode,
calomel electrode, construction of glass electrode, batteries (Dry cell, Li ion battery and zinc air
cells), fuel cells (H2-O2, CH3OH-O2, phosphoric acid and molten carbonate).
Corrosion:-Definition, theories of corrosion (chemical and electrochemical), galvanic corrosion,
differential aeration corrosion, stress corrosion, galvanic series, factors influencing rate of corrosion,
corrosion control (proper designing and cathodic protection), Protective coatings (surface preparation,
cathodic coatings, anodic coatings, electroplating and electroless plating [nickel]), Paints
(constituents, functions and special paints).
UNIT III:
CHEMISTRY OF MATERIALS 10 hrs
Part- A:
Nano materials:- Introduction, sol-gel method, characterization by (Brunauer Emmet Teller [BET]),
(scanning electron microscopy [SEM]) and (transmission electron microscopy [TEM]) with example
(TiO2), applications of graphene and fullerenes, carbon nanotubes (types, preparation and
applications)
Thermal analysis techniques: Instrumentation and applications of thermogravimetric analysis
(TGA), differential thermal analysis (DTA), differential scanning calorimetry (DSC).
Part-B:
Refractories: - Definition, classification, properties (refractoriness, refractoriness under load, porosity
and thermal spalling), failure of refractories.
Lubricants: - Definition, mechanism of lubricants, properties (definition and importance).
Cement: - Constituents, manufacturing, parameters to characterize the clinker formation: lime
saturation factor (LSF), silica ratio (SR) and alumina ratio (AR), chemistry of setting and hardening,
deterioration of cement.
UNIT IV:
FUELS 10 hrs
Introduction, calorific value, higher calorific value, lower calorific values, problems using
UNIT – I
Introduction to Engg. Mechanics – Basic Concepts.
Systems of Forces: Coplanar Concurrent Forces – Components in Space – Resultant – Moment of
Force and its Application – Couples and Resultant of Force Systems. Introduction, limiting friction
and impending motion, coulomb’s laws of dry friction, coefficient of friction, cone of friction
UNIT – II
Equilibrium of Systems of Forces : Free Body Diagrams, Equations of Equilibrium of
Coplanar Systems,
Spatial Systems for concurrent forces. LamisTheorm, Graphical method for the equilibrium of
coplanar forces, Converse of the law of Triangle of forces, converse of the law of polygon of forces
condition of equilibrium.
UNIT – III
Centroid :Centroids of simple figures (from basic principles ) – Centroids of
Composite Figures
Centre of Gravity :Centre of gravity of simple body (from basis principles), centre of gravity of
composite bodies, pappus theorem.
FRICTION
Types of friction – Limiting friction – Laws of Friction – static and Dynamic Frictions – Angle of
Friction –Cone of limiting friction– Friction of wedge, block and Ladder
UNIT – IV
Area moments of Inertia :Definition – Polar Moment of Inertia, Transfer Theorem, Moments of
Inertia of Composite Figures, Products of Inertia, Transfer Formula for Product of Inertia.
Mass Moment of Inertia :Moment of Inertia of Masses, Transfer Formula for Mass Moments of
Inertia, mass moment of inertia of composite bodies.
UNIT – V
Kinematics: Rectilinear and Curvelinear motions – Velocity and Acceleration – Motion of Rigid
Body – Types and their Analysis in Planar Motion.
Introduction – Rectilinear motion – Motion with uniform and variable acceleration–Curvilinear
motion–Componentsofmotion– Circular motion – Projectiles- Instantaneous centre
Kinetics:Kinetics of a particle – D’Alembert’s principle – Motion in a curved path – work,
energy and power. Principle of conservation of energy – Kinetics of a rigid body in translation,
rotation – work done – Principle of work-energy – Impulse-momentum
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