Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 1st And 2nd Sem New And Spfu TEE010 Renewable Energy Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? I & II (SPFU) EXAMINATION ? WINTER 2019
Subject Code: TEE010 Date: 13/01/2020
Subject Name: Renewable Energy
Time: 10:30 AM TO 01:30 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) Describe the essentiality for exploration of renewable sources of energy. 03
(b) What are the different types of solar cell? 04
(c) Define the following terms with necessary sketch.
1. Solar declination angle 2.Hour angle 3.Solar Zenith angle 4.Solar
incident angle.
07
Q.2 (a) What is the difference between an active and passive solar heating
system?
03
(b) Explain construction and working Pyrheliometer with diagram. 04
(c) Calculate the sun?s altitude and azimuth angles at 9 a.m., solar time on
Sept. 1 at latitude 23
0
N
07
OR
(c) Calculate the declination angle for March 31 in a leap year. 07
Q.3 (a) State the expression for hour angle and day length. 03
(b) Explain the construction and principle of operation of a sunshine
recorder.
04
(c) How the solar water heating systems are classified? Explain the working
of thermo-syphon solar water heating system with the help of a neat
sketch.
07
OR
Q.3 (a) What is basic principle of ocean thermal energy conversion. 03
(b) Enlist types of solar thermal power plants. Discuss working of solar
pond electrical power plant with help of neat sketch.
04
(c) Derive the expression for power developed due to wind. 07
Q.4 (a) Explain the working of double basin tidal system. 03
(b) Compare the fixed dome type plant and movable drum type plant. 04
(c) Calculate the open circuit voltage and maximum power output of MHD
engine with following specifications.
Plant area=0.2 sq.m, Distance between plates=0.4m.
Flux density=2 wb/sq.m, Average gas velocity =1000m/sec
Conductivity of gas=10 mho/m.
07
OR
Q.4 (a) What is energy crisis and energy demand? 03
(b) Describe biochemical conversion of biomass into liquid and gaseous
fuels.
04
(c) Tidal power plant of single basin type has a basin area of 25 x 10
6
sq.m.The tide has a range of 10 m. The turbine however, stops operating
when the head on it falls below 2m.calculate the energy generated in on
filling process in kwh if the turbine generator efficiency is 75%(take sea
water density=1025 kg/cu.m
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? I & II (SPFU) EXAMINATION ? WINTER 2019
Subject Code: TEE010 Date: 13/01/2020
Subject Name: Renewable Energy
Time: 10:30 AM TO 01:30 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) Describe the essentiality for exploration of renewable sources of energy. 03
(b) What are the different types of solar cell? 04
(c) Define the following terms with necessary sketch.
1. Solar declination angle 2.Hour angle 3.Solar Zenith angle 4.Solar
incident angle.
07
Q.2 (a) What is the difference between an active and passive solar heating
system?
03
(b) Explain construction and working Pyrheliometer with diagram. 04
(c) Calculate the sun?s altitude and azimuth angles at 9 a.m., solar time on
Sept. 1 at latitude 23
0
N
07
OR
(c) Calculate the declination angle for March 31 in a leap year. 07
Q.3 (a) State the expression for hour angle and day length. 03
(b) Explain the construction and principle of operation of a sunshine
recorder.
04
(c) How the solar water heating systems are classified? Explain the working
of thermo-syphon solar water heating system with the help of a neat
sketch.
07
OR
Q.3 (a) What is basic principle of ocean thermal energy conversion. 03
(b) Enlist types of solar thermal power plants. Discuss working of solar
pond electrical power plant with help of neat sketch.
04
(c) Derive the expression for power developed due to wind. 07
Q.4 (a) Explain the working of double basin tidal system. 03
(b) Compare the fixed dome type plant and movable drum type plant. 04
(c) Calculate the open circuit voltage and maximum power output of MHD
engine with following specifications.
Plant area=0.2 sq.m, Distance between plates=0.4m.
Flux density=2 wb/sq.m, Average gas velocity =1000m/sec
Conductivity of gas=10 mho/m.
07
OR
Q.4 (a) What is energy crisis and energy demand? 03
(b) Describe biochemical conversion of biomass into liquid and gaseous
fuels.
04
(c) Tidal power plant of single basin type has a basin area of 25 x 10
6
sq.m.The tide has a range of 10 m. The turbine however, stops operating
when the head on it falls below 2m.calculate the energy generated in on
filling process in kwh if the turbine generator efficiency is 75%(take sea
water density=1025 kg/cu.m
07
2
Q.5 (a) What do you mean by dry steam, wet steam and hot water geothermal
systems?
03
(b) Explain power in ocean wave. Enlist the various wave energy
converters? Write advantages and disadvantages of wave energy.
04
(c) Write short notes on : KVIC Biogas plant. 07
OR
Q.5 (a) Describe the main considerations for selection of site for a Biogas Plant. 03
(b) Describe the advantages and disadvantages of Geothermal Energy
sources.
04
(c) Write brief note on Performance Characteristic of Wind machine. 07
*************
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This post was last modified on 20 February 2020