Unit-1
1. Why is electrical energy preferred over other forms of energy?
2. Draw a neat schematic diagram of a hydro-electric plant and explain the functions of various components.
3. Write a short note on the generation of electrical energy through thermal power plant.
4. Explain the working of a gas turbine power plant with a schematic diagram
5. Discuss the different sources of energy available in nature.
6. Explain the solar power plant generation with neat diagram
7. Compare the chief sources of energy used for the generation of electrical energy.
8. Explain the functions of the following: (i) dam (ii) spillways (iii) surge tank (iv)headworks (v) draft tube.
9. Explain the operation of thermal power plant with Rankine cycle.
10. Explain the operation of wind power plant with neat diagram.
11. Define the Nuclear plant power generation and state its merits & demerits
12. Give the comparison of steam power plant, hydro-electric power plant, diesel power plant
and nuclear power plant on the basis of operating cost, initial cost, efficiency,
maintenance cost and availability of source of power.
Unit-2
1. Explain the basic concept of Generation, Transmission & Distribution with neat diagrams
2. Describe the modern power system through different voltage levels?
3. Briefly describe the present electric industry structure in India with locations?
4. Explain the supply systems in all aspects of power system network
5. Describe the significance of the overhead and underground lines with examples
6. Discuss the concept of distribution of electric power in India
7. Define the UPS and explain the basic operation of Invertors in current scenario
8. Define the concepts of (i) fault (ii) short-circuits (iii) overload condition with examples in
the present industrial applications.
9. Explain the faults occurred in power system with neat diagrams
10. Describe the modern power system through different voltage levels?
11. Discuss the differences between the symmetrical faults and unsymmetrical faults
12. Describe the significance of the overhead and underground lines with examples
Unit 3
1. Define switch gear and discuss the details about the switch gear equipment in the power
system network
2. Explain the concept of arch phenomenon and discuss the principles of arc phenomenon
3. Explain the fundamental requirements of protective relaying?
4. Define (i) pick-up current, (ii) current setting, (iii) plug setting multiplier and (iv) time
setting multiplier in protective relay operation of power system.
5. Define (i) arc phenomenon, (ii) arch extinction, (iii) arch voltage, (iv) restriking voltage,
(v) recovery voltage?
6. Explain the classification of circuit breakers and elaborate the any one of the
classifications of circuit breakers
7. Define (i) MCB, (ii) ELCB, and (iii) GFCI
8. Explain the concept of relay and bus bar arrangements
9. Explain the concept of protection of alternators in power system
10. Discuss the protection of transformers and bus bar protection
11. Describe the protection of transmission lines, over voltage and over current protection.
12. Define switch gear and discuss the details about the switch gear equipment in the power
system network
UNIT-4
1. Discuss the economics of the power generation in terms of interest and depreciation
2. Describe the various cost concepts involved in total production cost of electrical
generation of power system network.
3. Describe the mathematical formulations for cost electrical energy in three-part form and
two-part form
4. Describe the mathematical formulations of power factor corrections
5. What is tariff and explain the different types of tariff existing in power system
6. Discuss the economics of the power generation in terms of interest and depreciation
7. What is power factor and explain the improvement methods of power factor
8. Describe the various cost concepts involved in total production cost of electrical
generation of power system network.
9. Briefly describe the power factor improvement equipment with neat diagrams.
10. Describe the various cost concepts involved in total production cost of electrical
generation of power system network.
11. Describe the mathematical formulations of power factor corrections
12. Mention the basic parameters involved in calculation of electricity charges
Unit 5
1. Define the following terms (i) Luminous flux, (ii) luminous intensity, (iii) Candle power,
(iv) illumination and (v) Luminance.
2. Explain the principle and working of fluorescent lamp
3. Explain the principle and working of a gas filled incandescent or filament lamp.
4. Explain the principle and working of Mercury vapor lamp.
5. What is illumination engineering and briefly explain the concept of illumination
6. Explain the principle and working of Sodium vapor lamp.
7. Explain the concepts of Interior Lighting, Sports Lighting, Road Lighting?
8. Explain the principle and working of CFL lamp.
9. A house hold has a fan of 50 watt used for 4 hours per day, tube two tube lights of 15 watt each used for 8 hours per day, and water pump of 1000 watt used for 5 hours per day. Calculate the total wattage, total energy and total energy bill of the consumer if perunit rate is 9 rupees [Take 1 month = 30 Days].
