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D 10247 (Pages : 2) പൂനം க

FIFTH SEMESTER B.A./B.Sc. DEGREE EXAMINATION, NOVEMBER 2021
(CUCBCSS-UG)
Physics/Applied Physics
PHY 5D 01 (1-೫೦೫ CONVENTIONAL ENERGY SOURCES
Time : Two Hours Maximum : 40 Marks
Section A (One Word Answer)

Answer all questions.
Each question carries 1 mark.

Which cycle is the most economical one is generating ocean thermal electric power ?
What is the major drawback for the extensive use of solar energy ?

Which country has second largest green house ?

Write any advantage of solar energy.

Which is the major component of extra-terrestrial radiation ?

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Which solar cooker design provides the highest temperature for cooking ?
(6 x 1 = 6 marks)
Section B (Short Answer)

Answer all questions in one or two sentences.
Each question 2 carries marks.

7. Give the working principle of a pyranometer.

8. Mention any to application of fuel cell.

9. What are the major solar radiation measuring instruments ?
10. What are the causes of local winds ?

11. Write down the problems associated with storage of hydrogen fuel in motor vehicles.
(5 x 2 = 10 marks)
Section C (Paragraph Answer)

Answer any four questions.
Each question carries 4 marks.

12. Draw the schematic of a horizontal axis wind mill indicating the essential parts.
13. List three advantages and disadvantages of a photovoltaic energy.

14. Briefly describe any two types of solar houses.

Turn over

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