Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem New 2140908 Electrical Power Generation Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140908 Date:17/05/2019
Subject Name: Electrical Power Generation
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Compare thermal, hydro and nuclear power stations with respect
to capital cost, running cost and standby losses.
03
(b) Explain functions of the following in relation to nuclear power
station: (i) Control rod (ii) Moderator (iii) Coolant (iv) Heat
exchanger.
04
(c) Draw a steam power station and explain its various components
and their functions.
07
Q.2 (a) Why is the overall efficiency of a steam power station very low? 03
(b) Explain the difference between fusion reaction and fission
reaction.
04
(c) Explain working of hydro power station with suitable schematic
diagram and discuss functions of its constituents.
07
OR
(c) Enlist different types of nuclear reactors. Explain working of
pressurized water nuclear reactor with suitable diagram.
07
Q.3 (a) Define grounding. What are the advantages of neutral
grounding?
03
(b) Define: (i) Load factor (ii) Demand factor (iii) Diversity factor
(iv) Connected load.
04
(c) What is solar photovoltaic system? Discus its major
components. Also state its applications
07
OR
Q.3 (a) Differentiate between open and closed gas turbine cycles. 03
(b) Draw and explain the I-V and P-V characteristics of solar
photovoltaic cell.
04
(c) Give schematic arrangement and explain the working of
combined cycle gas power plant.
07
Q.4 (a) Enlist various equipment?s used in substation. 03
(b) Compare outdoor and indoor substations. 04
(c) Explain arc suppression coil earthing in detail. 07
OR
Q.4 (a) Differentiate between Horizontal and Vertical Axis Wind
Turbine.
03
(b) Draw and explain working of direct type solar dryers. 04
(c) Explain construction and working of DFIG.
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140908 Date:17/05/2019
Subject Name: Electrical Power Generation
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Compare thermal, hydro and nuclear power stations with respect
to capital cost, running cost and standby losses.
03
(b) Explain functions of the following in relation to nuclear power
station: (i) Control rod (ii) Moderator (iii) Coolant (iv) Heat
exchanger.
04
(c) Draw a steam power station and explain its various components
and their functions.
07
Q.2 (a) Why is the overall efficiency of a steam power station very low? 03
(b) Explain the difference between fusion reaction and fission
reaction.
04
(c) Explain working of hydro power station with suitable schematic
diagram and discuss functions of its constituents.
07
OR
(c) Enlist different types of nuclear reactors. Explain working of
pressurized water nuclear reactor with suitable diagram.
07
Q.3 (a) Define grounding. What are the advantages of neutral
grounding?
03
(b) Define: (i) Load factor (ii) Demand factor (iii) Diversity factor
(iv) Connected load.
04
(c) What is solar photovoltaic system? Discus its major
components. Also state its applications
07
OR
Q.3 (a) Differentiate between open and closed gas turbine cycles. 03
(b) Draw and explain the I-V and P-V characteristics of solar
photovoltaic cell.
04
(c) Give schematic arrangement and explain the working of
combined cycle gas power plant.
07
Q.4 (a) Enlist various equipment?s used in substation. 03
(b) Compare outdoor and indoor substations. 04
(c) Explain arc suppression coil earthing in detail. 07
OR
Q.4 (a) Differentiate between Horizontal and Vertical Axis Wind
Turbine.
03
(b) Draw and explain working of direct type solar dryers. 04
(c) Explain construction and working of DFIG.
07
2
Q.5 (a) What are the major components of wind energy conversion
systems?
03
(b) Discuss the role of distributed generation in electric power
system.
04
(c) Explain construction & working of solar refrigeration plant with
suitable figure.
07
OR
Q.5 (a) What is tariff? Explain the types of tariff. 03
(b) What are the disadvantages of single bus bar scheme? Draw
duplicate bus bar scheme and explain its advantages.
04
(c) Derive the equation for available wind power in terms of
velocity of wind and diameter of turbine rotor.
07
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This post was last modified on 20 February 2020