PART – A
ELECTRICAL TECHNOLOGY
UNIT – I
Introduction to DC & AC Circuits
Ohm’s Law, Basic Circuit Components, Kirchhoff’s Laws, Types of Sources, Resistive Networks, Series Parallel Circuits, Star Delta and Delta Star Transformation. Principle of AC Voltages, Waveforms and Basic Definitions, Root Mean Square and Average Values of Alternating Currents and Voltage, Form Factor and Peak Factor, Phasor Representation of Alternating Quantities, The J Operator and Phasor Algebra, Analysis of Ac Circuits With Single Basic Network Element, Single Phase Series.
UNIT-II
DC Machines
D.C Generators: Principle of Operation of Dc Machines, Types of D.C Generators, E.M.F Equation in D.C Generator, O.C.C. of a D.C. Shunt Generator D.C Motors: Principle of Operation of Dc Motors, Types of D.C Motors, Torque Equation, Losses and Efficiency Calculation in D.C Motor- Swinburne’s Test
UNIT-III
AC Machines
Transformers: Principles of Operation, Constructional Details, Losses and Efficiency, Regulation of Transformer, Testing: OC & SC Tests. Three Phase Induction Motors: Principle of Operation, Slip and Rotor Frequency, Torque (Simple Problems).
Alternators: Principle of Operation-Constructional Details-EMF Equation-Voltage Regulation by Synchronous Impedance Method.
Study Material's For Electrical Technology
2 Mark's for Electrical Technology: Download
Unit-1:
Introduction to DC & AC Circuits: Download
Unit-II:
DC Machines
PDF Material: Download
PPT Material: Download
Unit-III:
AC Machines
PDF Material: Download
PPT Material: Download
PART – B
MECHANICAL TECHNOLOGY
Objective:
Mechanical Technology contains basic welding process, steam engines & turbines and their performance aspects will be studied.
UNIT – I
WELDING PROCESSES: Introduction to welding classification of welding processes,
Oxyacetylene welding – equipment, welding fluxes and filler rods, Gas cutting, Introduction
to are welding – Manual metal are welding. Submerged are welding, TIG and MIG processes, soldering and brazing Importance, comparison and applications.
UNIT - II
Description and working of steam engines and steam turbines (Prime movers) – impulse and Reaction turbines. Description and working of I.C. Engines – 4 stroke and 2 stroke engines – comparison – Gas Turbines – Closed and open type gas turbines.
Reciprocating Air compressors – description and working of single stage and multistage
reciprocating air compressors – inter cooling. Transmission of power; Belt, Rope, Chain and
gear drive-simple problems.
UNIT - III
Block diagram of a vapour compression refrigeration system. Names of common
refrigerates. Basic principles of air-conditioning. Room and General air conditioning
systems Ducting – Different types of ventilation system. Earth moving machinery and
Mechanical handling equipment – bull dozers – power showels – Excavators – concrete
mixer – Belt and bucket conveyers.
Study Material's For Mechanical Technology
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