Exam Details
| Subject | electrical power | |
| Paper | ||
| Exam / Course | pddc | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | December, 2018 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-III EXAMINATION WINTER 2018
Subject Code:X30904 Date: 01/12/2018
Subject Name: Electrical Power
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Draw schematic diagram of a steam power station and explain its operation.
07
Discuss the comparison between steam power plant, hydro power plant, nuclear power plant and gas turbine power plant.
07
Q.2
What is nuclear reactor? Explain the types of nuclear reactors. State the main parts of nuclear reactor.
07
Draw diagram of hydro power station and state equipments/parts of hydro power station with their functions.
07
OR
Explain photo voltaic cell for power generation. What are the applications of Solar energy?
07
Q.3
What is the importance of combined cycle power plant? Explain combined cycle power plant idea with suitable example.
07
What are the skin effect, proximity effect Ferranti effect? Also discuss the significance of these effects in power system.
07
OR
Q.3
Discuss the merits and demerits of wind energy. Explain wind turbine generator for power generation.
07
Explain the open cycle type and closed cycle type gas turbine power plant with proper diagram.
07
Q.4
What is neutral grounding? Discuss the types of neutral grounding in short with figure.
07
What is substation? List out equipments which are used in substation with their functions.
07
OR
Q.4
Explain in detail clearly, what you understand by GMR and GMD of a transmission line.
07
Derive the expression for most economical power factor. Discuss the disadvantages of low power factor.
07
Q.5
Derive the expression for Capacitance per phase of a three phase transmission line with symmetrical spacing.
07
A single phase motor connected to 400 50 Hz supply takes 31.7 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.
07
OR
Q.5
Discuss the comparison between over head and underground transmission systems.
07
Explain the various parts of a high voltage single core cable with a neat figure.
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-III EXAMINATION WINTER 2018
Subject Code:X30904 Date: 01/12/2018
Subject Name: Electrical Power
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Draw schematic diagram of a steam power station and explain its operation.
07
Discuss the comparison between steam power plant, hydro power plant, nuclear power plant and gas turbine power plant.
07
Q.2
What is nuclear reactor? Explain the types of nuclear reactors. State the main parts of nuclear reactor.
07
Draw diagram of hydro power station and state equipments/parts of hydro power station with their functions.
07
OR
Explain photo voltaic cell for power generation. What are the applications of Solar energy?
07
Q.3
What is the importance of combined cycle power plant? Explain combined cycle power plant idea with suitable example.
07
What are the skin effect, proximity effect Ferranti effect? Also discuss the significance of these effects in power system.
07
OR
Q.3
Discuss the merits and demerits of wind energy. Explain wind turbine generator for power generation.
07
Explain the open cycle type and closed cycle type gas turbine power plant with proper diagram.
07
Q.4
What is neutral grounding? Discuss the types of neutral grounding in short with figure.
07
What is substation? List out equipments which are used in substation with their functions.
07
OR
Q.4
Explain in detail clearly, what you understand by GMR and GMD of a transmission line.
07
Derive the expression for most economical power factor. Discuss the disadvantages of low power factor.
07
Q.5
Derive the expression for Capacitance per phase of a three phase transmission line with symmetrical spacing.
07
A single phase motor connected to 400 50 Hz supply takes 31.7 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.
07
OR
Q.5
Discuss the comparison between over head and underground transmission systems.
07
Explain the various parts of a high voltage single core cable with a neat figure.
07
Other Question Papers
Subjects
- advance electronics
- advance power system - ii
- advanced fluid mechanics
- advanced power electronics – i
- advanced power system - i
- advanced structural analysis
- advanced surveying
- analog & digital electronics
- antenna & wave propagation
- audio video engineering
- basic electronics
- building and town planning
- cim
- circuits and networks
- commissioning of electrical equipments
- complex variables and partial differential equations
- computer aided design
- computer integrated manufacturing
- computer programming & utilisation
- concrete technology
- constitution of india
- construction
- control engineering
- control systems
- control theory
- data communication and networking
- design of hydraulic structures
- digital communication
- digital signal processing
- dock, harbour and airport engineering
- dynamics of machinery
- earthquake engineering
- effective technical communication
- electrical drives & traction
- electrical engineering
- electrical machine design i and ii
- electrical machine-iii
- electrical machines & electronics
- electrical machines i & ii
- electrical power
- electromagnetics theory
- electronic communication
- elements of electrical design
- elements of electrical engineering
- elements of mechanical and structural
- embedded system
- engineering electromagnetics
- engineering geology
- engineering thermodynamics
- environmental engineering
- fluid mechanics
- fluid power engineering
- foundation engineering
- heat and mass transfer
- high voltage engineering
- highway engineering
- hydrology and water resources engineering
- industrial engineering
- industrial instrumentation
- industrial safety and maintenance engineering
- integrated circuits and applications
- interconnected power systems
- irrigation engineering
- irrigation water management
- kinematics of machines
- machine design - ii
- machine design & industrial drafting
- machine design-i
- manufacturing process - i
- material science & metallurgy
- mechanical measurement & metrology
- mechanics of solids
- microcontroller and interfacing
- microprocessor & interfacing
- microwave engineering
- operation research
- optical communication
- power electronics
- power electronics-i
- power electronics-ii
- power plant engineering
- power system analysis and simulation
- power system practice and design
- power system protection
- probability, statistics and numerical methods
- professional practice & valuation
- railway, bridges and tunnels
- refrigeration and air conditioning
- satellite communication
- soil engineering
- structural analysis - i
- structural analysis - ii
- structural design - i
- structural design - ii
- surveying
- switchgear
- theory of electromagnetics
- theory of machines
- thermal engineering
- urban transportation system
- vlsi technology and design
- wireless communication