Renewable Energy 2022 Question Paper — Government College of Engineer…
The 2022 Renewable Energy previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Renewable Energy
- Course: Renewable Energy
- Branch: Electrical Engineering
- Year: 2022
- Paper: end-term
- Duration: 180 minutes
- Total marks: 75
Instructions
- Attempt five questions in all, selecting at least two questions from each section.
- Use of calculator is allowed.
Questions
Section - A
- Q1.a.. Discuss the principle of solar collector? How collector coating can be used to improve the performance of a collector? [7 marks]
- Qb.. How does sun tracking helps in energy collection by a flat plate solar collector? [7 marks]
- Q2.a.. A propeller type wind turbine has following data: Speed of free wind at a height of $10\text{ m} = 12\text{ m/s}$, Air density $= 1.226\text{ kg/m}^3$, $\alpha = 0.14$, height of tower $= 100\text{ m}$, diameter of rotor $= 80\text{ m}$, wind velocity at the turbine reduces by $20\%$, generator efficiency $= 85\%$. Find: i. Total power available in wind. ii. Power extracted by the turbine iii. Electrical power generated iv. Axial thrust on the turbine v. Maximum axial thrust on the turbine [7 marks]
- Qb.. Explain in detail the potential of wind electricity generation in India and its current growth rate? [7 marks]
- Q3.a.. Explain in detail how the wind farms are used for bulk power supply to grid? [7 marks]
- Qb.. Explain the construction and working of solar ponds in detail. [7 marks]
- Q4.. Explain the various speed control strategies for wind turbine. Also explain wind turbine operation and power versus wind speed characteristics? [15 marks]
Section - B
- Q5.. Explain the construction and working of downdraft and updraft biomass gasification plant. [15 marks]
- Q6.a.. What are the various types of biomass resources for energy production? [7 marks]
- Qb.. What are the various types of usable forms of biomass, their composition and fuel properties, explain in detail? [7 marks]
- Q7.. Discuss the various types of speed governors used in small hydro power plants.Which type is justified in a micro hydro scheme? [15 marks]
- Q8.a.. Factors involved in the state selection of small hydro plant. [15 marks]
- Qb.. Hydrology [15 marks]