# Electrical and Mechanical Technology

Course Code:ULZ0238

Author:uLektz

University:

Regulation:2017

Categories:Electrical & Electronics

Format : ePUB3 (DRM Protected)

Type :eBook

Rs.160 Rs.25 Rs.85% off

Description :Electrical and Mechanical Technology of ULZ0238 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT I DC MACHINES AND TRANSFORMERS

1.1 DC MACHINES: Principle of operation of DC generator, Emf equation

1.2 Types of DC machine, Torque equation of DC motor, Applications

1.3 Three point starter - Speed control methods, OCC of DC generator

1.4 Transformers: Principle of operation of single phase transformers, E.m.f equation

1.5 Losses, Efficiency and regulation

###### UNIT II AC ROTATING MACHINES

2.1 Principle of operation of alternators, Regulation by synchronous impedance method

2.2 Principle of operation of 3-Phase induction motor, Slip-torque characteristics, Efficiency, Applications

###### UNIT III MEASURING INSTRUMENTS

3.1 Classification, Deflection, controlling, damping torque, Ammeter, Voltmeter, Wattmeter

3.2 MI, MC instruments, Energy meter

3.3 Construction of CRO

###### UNIT IV ENERGY SOURCES AND INTERNAL COMBUSTION ENGINES

4.1 Energy Sources: Renewable and non renewable energy resources, Renewable energy forms and conversions, Thermodynamic principles and laws

4.2 Internal combustion engines: classification, Working principle, Engine components

4.3 Four stroke and two stroke petrol and diesel engines, Comparisons, Performance parameters: IP, BP, FP, SFC, BTE, ITE, ME

###### UNIT V HEAT TRANSFER

5.1 Heat Transfer: Modes of heat transfer, Heat transfer parameters - Various thermo physical properties

5.2 Conduction - heat transfer for extended surfaces, Types of fins, Fin equation for rectangular fin, Fin efficiency, Fin effectiveness

5.3 Convection, Mechanism, Natural and Forced Convection, Heat Transfer in laminar and turbulent flow over a flat plate

###### UNIT VI TRANSMISSION OF POWER AND MANUFACTURING METHODS

6.1 Belt, rope and chain drives, Different types, Power transmission by belts and ropes, Initial tensions in the belt

6.2 Gears: classification of gears, Applications

6.3 Metal joining: arc welding, Resistance welding, Gas welding, Brazing and soldering

6.4 Metal forming: Forging - operations, Rolling and extrusion principles

6.5 Machine tool: Lathe classification, specifications and operations