SYLLABUS AND AITT OVERVIEW OF ELECTRICIAN TRADE THEORY SEMESTER 2  

ITI electrician trade theory semester 2 NIMI syllabus online with AITT overview


AITT OVERVIEW
SUBJECT PAPER NUMBER PART NO. of QUESTIONS TOTAL MARKS
TRADE THEORY PAPER -1 A 50 150
WORK SHOP CAL & SCIENCE PAPER – 2 A 25 75
ENGINEERING DRAWING PAPER – 2 B 25 75
EMPLOYABILITY SKILLS PAPER- 1 B 2 50
ELECTRICIAN SEMESTER 2 TRADE THEORY SYLLABUS

TOPICS COVERED IN TRADE THEORY SEMESTER 2 ELECTRICIAN 

ITI electrician trade theory semester 2 NIMI syllabus online with AITT overview


  • Working principle and uses of an oscilloscope. Explanation of principle of working of a transistor & configuration.
  • Types of transistors & its application.
  • Specification and rating of transistors.
  • Explanation of transistor Amplifiers,
  • – class A,B and C
  • Power amplifier
  • Explanation of oscillator-working principle
  • Explanation of stages and types.
  • Multivibrator – applications.
  • Introduction of basic concept of ICs, U.J.T., F.E.T. Basic concept of power electronics devices e.g.
  • C.R., Diac, Triac, power MOSFET, G.T.O and
  • G.B.T.
  • Digital Electronics -Binary numbers, logic gates and combinational circuits,
  • Electric wirings, I.E. rules.
  • Types of wirings both domestic and industrial.
  • Specifications for wiring.
  • Grading of cables and current ratings. Principle of laying out in domestic wiring.
  • Voltage drop concept.
  • Wiring system – V.C., concealed system.
  • Maintenance and Repairing data sheet preparation. Specifications, standards for conduits and accessories
  • Power Wiring
  • Control Wiring
  • Information Communication – Entertainment Wiring.
  • Testing of wiring installation by meggar.
  • Study of Fuses, Relays, Miniature circuit breakers (MCB), ELCB, etc.
  • DC. Machines – General concept of Electrical Machines.
  • Principle of D.C. generator. Use of Armature, Field Coil, Polarity, Yoke, Cooling Fan, Commutator, slip ring Brushes, Laminated core.
  • Explanation of C. Generators-types, parts. E.M.F.
  • equation-self excitation and separately excited Generators-Practical uses. Brief description of series, shunt and compound generators.
  • Explanation of Armature reaction, inter poles and their uses, connection of inter poles,
  • Losses & Efficiency of D.C.Generator, Parallel Operation of D.C.Generator.
  • Application of D.C. generators.
  • Care, Routine & preventive maintenance.
  • DC Motors – Termsused in D.C. motor-Torque, Brake Torque, speed, Back-e.m.f. etc. and their relations, Types of D.C.Motor.
  • Starters used in D.C. motors
  • Related problems
  • Characteristics of D.C.Motor, Losses & Efficiency, Application of D.C. motors.
  • Care, Routine & preventive maintenance.
  • Types of speed control of DC motors in industry.
  • Control system. AC-DC, DC-DC control.
  • Working principle of Transformer. classification C.T., P.T. Instrument and Auto Transformer(Variac), Construction, Single phase and Poly phase.
  • M.F. equation, parallel operation of transformer, their connections.
  • Regulation and efficiency.
  • Type of Cooling for transformer.
  • Protective devices.
  • Specifications, simple problems on e.m.f. Equation, turn ratio, regulations and efficiency. Special transformers.
  • Transformer –Classification of transformer.
  • Components, Auxiliary parts i.e. breather, Conservator, buchholze relay, other protective devices. Transformer oil testing and Tap changer (off load and on load). Dry type transformer.
  • Bushings and termination.
  • Electrical Measuring Instruments –
  • -types, indicating types. Deflecting torque,
  • Controlling torque and
  • Damping torque ,
  • PMMC & MI meter (Ammeter, Voltmeter)
  • -Range extension
  • -Multimeter(Digital/Analog)
  • -Wattmeter
  • P.F. meter
  • Energy meter (Digital/analog)
  • –Insulation Tester (Megger), Earth tester.
  • -Frequency meter
  • -Phase Sequence meter
  • -Multimeter –Analog and Digital -Tong tester
  • -Techometer.

Source:http://www.dget.nic.in/content/innerpage/trade-syllabus.php

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