B.TECH - Semester 6 energy systems Question Paper 2013 (apr)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- What is meant by thermionic effects?
- How are fuel cells classified?
- Explain the terms seeding and superconductivity.
- What is a fission reaction?
- Enumerate briefly on breeder concept.
- Explain the term hybrid system.
- What is meant by wind farm?
- Name some of the applications of methanol.
- What are the applications of Hydrogen?
- What is meant by metal hybride? Answer any one from each Module. Each question carries 20 marks.
- Explain the working of thermoelectric and thermionic generators with neat sketches. Also specify demerits of these systems. OR
- (a) Discuss the effect of variation of solar intensity, cell temperature and shadowing on the performance of a solar PV cell.
- (b) A Solar PV system feeds a dc motor to produce 0.75 kW power at the shaft. The motor efficiency is $85 \%$. Each module has 36 cells arranged in $9 \times 4$ matrix. The cell size is $125 \times 125 \mathrm{~mm}$ and efficiency is $12 \%$. Calcula...
- (a) How does sun tracking helps in energy collection by a flat plate collector?
- (b) A Flat plate collector, facing due south, having two glass covers is located at Mysore $\left(12.3^{\circ} N, 76.65^{\circ} E\right)$ have the following data: Standard longitude for IST Date \& Time Collector angle $82.5^{\circ} \mathrm{E}$ 22 ...
- 2 | Extinction Coefficient of glass | 20 per m | | :--- | :--- | | Glass thickness | 4 mm | | Refractive Index with respect to air | 1.5 | （i）angle of incidence of beam radiation on the collector （ii）total solar flux incident on the collector and （...
- Explain with a layout and temperature entropy diagrams the working of vapour and liquid dominated geothermal power systems.
- Discuss in detail, the effect of various operational parameters on the working of a biogas plant along with a neat sketch. ( $4 \times 20=80$ Marks)