Diploma Engineering: Model Question Paper | Course Content:

Course Content:

Unit 1

Electricity and DC Circuits: Introduction to sources of electrical energy, advantages, effects of electric current and its applications. Electrical current, voltage, emf, potential difference, electric work, power, energy & their units and measuring instruments. Conductors, insulators and semiconductors. Resistance, Ohm’s law and limitations, Problems on ohms law.

.Problems on power and energy. Resistances connected in series, parallel, series and parallel combinations. Simple problems on resistance combinations..Horse Power and BHP

Unit 2

Electromagnetism: Magnetic field, Magnetic flux, Magneto motive force, flux density, Reluctance and their units. permeability. Faraday’s laws, statically and dynamically induced EMF, self and mutual induced emf. Inductance, mutual inductance and their units.

DC Generator: Construction and working.

Unit 3

Fundamentals of AC Circuits: Sinusoidal voltage, current, amplitude, time-period, cycle, frequency, phase, phase difference, RMS value, Average value, form factor, and their units. Simple Problems. Capacitance, capacitive reactance, inductive reactance, impedance and their units. Power, power factor and units. Problems on reactance, impedance , power and power factor in series R-L,RC,RLC circuits. Difference between single phase and three phase power. Advantages of three phase power over singe phase power.

Transformers: construction working, application, ratings.

AC Generators: construction working, applications, ratings.

Unit 4

Electric Motor Drives: DC motors, types, applications and selection criteria. AC motors, single and three phase motors, selection criteria, FHP motors applications and selection criteria, applications of single phase and three-phase motors. Name plate details of single phase and 3 phase motors. Necessity of starters for AC motors, types and applications. Advantages of 3 phase motors over single phase motors. List out the motors used for following purposes; Mining, Printing, Textiles, Cement, Mechanical, Aeronautical and Chemical industries by giving selection criteria. Importance of Motor enclosures, types, and their applications.

Unit 5

Protective Devices, UPS& Estimation: Necessity of protective devices, ratings, rewireable, cartridge, and HRC fuses. Types of switches, MCB and ELCB. Necessity of electrical earthing and types. General safety precautions to prevent electrical accident, first aid in electric shock. Cell, battery, types of batteries, conditions of fully charged and discharged battery of lead acid battery, sealed maintenance free (SMF) battery. Selection of batteries.UPS, types, applications and selection criteria of UPS.

i) Plan and estimate the cost of electrical wiring for one 3mX3m room having consisting of 2 tube lights, 1 ceiling fan, 2 three pin socket.

ii) Plan and estimate the cost of electrical wiring for one lathe for three phase wiring with MCBs, starters, Iron clad switches, and HRC fuses.

Unit 6

Electronic Components and Applications: Intrinsic and extrinsic semiconductors, P and N type materials. Diode, types and their applications. Forward and Reverse bias characteristics of a Diode. Half wave ,full wave and bridge rectifiers without filter. Zener diode as a voltage regulator. Transistor (BJT)working, applications, and transistor as a switch.SCR working and industrial applications. Timers, applications. Relays, applications. Logic gates – OR,AND,NOT, EX-OR, NAND, and NOR, meaning and advantages of IC.

1. ABC of Electrical Engineering by B. L. Theraja and A. K. Theraja, S Chand Publishers, New Delhi, 2014 Edition.

2. Basic Electrical and Electronics Engineering by S. K. Bhattacharya, Pearson Education India, 2012 Edition.

3. Electronic Devices and Circuits by I. J. Nagrath, PHI Learning Pvt. Ltd., 2007 Edition.

4. Basic Electrical Engineering byV. Mittle and ArvindMittle, McGrawHill Companies, 2005 Edition.

5. http://jenko.eu/marjan/fpp_izredni/knjiga_df/df_1_digital_concepts.pdf

6. http://www.facstaff.bucknell.edu/mastascu/elessonshtml/eeindex.html - Welcome to Exploring Electrical Engineering.

7. Fundamentals Handbook of Electrical Science, Module 1, Basic Electrical Theory, Department of Energy, U. S. Department of Energy, June 1992.

8. http://www.freeengineeringbooks.com/Electrical/Basic-Electrical-Engineering.php

9. http://www.electrical-engineering-portal.com

Course Contents with Lecture Schedule:

Lesson No./ Session No.	Contents	Duration
	Electricity and DC Circuits:	10 Hours
1.	Introduction to sources of electrical energy, advantages,	01 Hour
2.	Effects of electric current and its applications.	01 Hour
3.	Electrical current, voltage, emf, potential difference	01 Hour
4.	Electric work, power, energy & their units and measuring instruments.	01 Hour
5.	Problems on power and energy	01 Hour
6.	Conductors, insulators and semiconductors. Resistance.	01 Hour
7.	Ohm’s law and limitations.	01 Hour
8.	Problems on ohms law	01 Hour
9.	Resistances connected in series, parallel, series and parallel combinations. Horse Power and BHP.	01 Hour
10.	Simple problems on resistance combinations.	01 Hour
	Electromagnetism and DC Generator	6 Hours
11.	Magnetic field, Magnetic flux, Magneto motive force	01 Hour
12.	Flux density, Reluctance and their units. Permeability.	01 Hour
13.	Faraday’s laws, Statically and dynamically induced EMF,	01 Hour
14.	Self and mutual induced emf.	01 hour
15.	Inductance, mutual inductance and their units.	01 Hour
16.	DC Generator- construction and working	01 Hour
	Fundamentals of AC Circuits, Transformers, and AC Generators	10 Hours
17.	Sinusoidal voltage, current, amplitude, time - period, cycle, frequency,	01 Hour
18.	Phase, phase difference, RMS value, Average value, form factor, and their units. Problems on sinusoidal wave.	01 Hour

Lesson No./ Session No.	Contents	Duration
19.	Capacitance, capacitive reactance, inductive reactance, impedance and their units.	01 Hour
20.	Power, power factor and units. Difference between single phase and three phase power.	01 Hour
21.	Problems on reactance, impedance , power and Power factor.	01 Hour
22.	Advantages of three phase power over single phase power	01 Hour
23.	Transformers- construction and working,	01 Hour
24.	Transformers- ratings and applications.	01 Hour
25.	AC Generators- construction working,	01 Hour
26.	AC Generators-ratings and applications.	01 Hour
	Electric Motor Drives	9 Hours
27.	DC Motors, types, applications	01 Hour
28.	Selection criteria of DC motors.	01 Hour
29.	AC motors, single and three phase, Advantages of 3 phase motors over single phase motors.	01 Hour
30.	Selection criteria for AC motor selection	01 Hour
31.	FHP motors applications and selection criteria,	01 Hour
32.	Applications of single phase and three-phase motors.	01 Hour
33.	Name plate details of single phase and 3 phase motors. Necessity of starters for AC motors, types and applications.	01 Hour
34.	List out the motors used for following purposes; Mining, Printing, Textiles, Cement, Mechanical, Aeronautical and Chemical industries by giving selection criteria.	01 Hour
35.	Motor enclosures, importance and their applications.	01 Hour
	Protective Devices, Batteries ,UPS and Estimation	8Hours
36.	Necessity of protective devices. Types	01 Hour

Lesson No./ Session No.	Contents	Duration
37.	Rewire-able fuse, fuse cartridge, and HRC fuse. Types of switches, MCB and ELCB. and Ratings of protective devices.	01 Hour
38.	Necessity of electrical earthing and types. General safety precautions and electric shock treatment.	01 Hour
39.	Cell, battery, types of batteries, conditions of fully charged and discharged battery of lead acid battery	01 Hour
40.	Sealed maintenance free (SMF) battery. Selection of batteries.	01 Hour
41.	UPS, types, applications and selection criteria of UPS.	01 Hour
42.	Plan and estimate the cost of electrical wiring for one 3mx3m room consisting of 2 tube-lights, 1ceiling fan, 2 three pin socket.	01 Hour
43.	Plan and estimate the cost of electrical wiring for One lathe for three phase wiring with MCBs, starters, Iron clad switches, and HRC fuses.	01 Hour
	Electronic Components and Applications	9 Hours
44.	Intrinsic and extrinsic semiconductors, P and Ntype materials.	01 Hour
45.	Diode, types and their applications. Forward and Reverse bias characteristics of a Diode.	01 Hour
46.	Half wave and full wave bridge rectifiers without filter.	01 Hour
47.	Zener diode as a voltage regulator. Transistor (BJT) -working,	01 Hour
48.	Transistor types, applications, and transistor as a switch.	01 Hour
49.	SCR working and industrial applications.	01 Hour
50.	Timers, applications.	01 Hour
51.	Relays, applications.	01 Hour
52.	Logic gates–OR,AND,NOT, EX-OR, NAND, and NOR, advantages and applications of IC.	01 Hour

Directorate Of Technical Education Karnataka State 15EE01E Page 9

Course Delivery:

The Course will be delivered through lectures, classroom interaction, animations, group discussion, exercises and assignments.

Course Assessment and Evaluation

What

To Whom

Frequency

Max Marks

Evidence Collected

Course Outcomes

I A Tests

Three IA tests for Theory: (Average marks of Three Tests to be

computed).

Blue Books

1 to 6

Classroom Assignments

Student Activities

Log of Activity

1 to 6

TOTAL

End Exam

End of the Course

100

Answer Scripts at BTE

ALL CO’s

Student Feedback on course

Middle of The Course

Feed Back Forms

1-3 Co’s

End Of Course Survey

End of The Course

Questionnaires

All Co’s

*CIE – Continuous Internal Evaluation *SEE – Semester End Examination

Note: I.A. test shall be conducted for 20 marks. Average marks of three tests shall be rounded off to the next higher digit.

Note to IA verifier: The following documents to be verified by CIE verifier at the end of semester

1. Blue books ( 20 marks)

2. Student suggested activities report for 5 marks and should be assessed on RUBRICS

3. Student feedback on course regarding Effectiveness of Delivery of instructions & Assessment Methods.

Suggested Student Activities:

Each Student has to prepare a self-hand written report of 3 pages or solved in a blue book considering any one of the following topics.

1. Using suitable meters/ instruments give the practical working circuits to measure Resistance, Current, Voltage, Power and Energy in DC and AC (Single phase) Circuits.

2. Report on different materials used for electromagnets with their properties.

3. Applications of Electro Magnetic Induction, statically induced and dynamically induced emf, self and mutual induced emfs.

4. Practical applications of Single Phase AC supply and Three phase AC supply with their operating voltages and other electrical parameters.

5. Report on types of starters and enclosures used for various industrial applications of AC motors.

6. Visit nearby Battery charging and inverter (UPS) shop or show room and prepare a report of the visit.

7. Visit nearby electronics shop/ market and identify the different diodes and rectifier with their ratings.

8. Prepare a wiring plan for a building/ lab/ room, etc.

Model Question Paper | Course Content: | Diploma Karnatak