244136

D 30588 (Pages : 2) வான. விதத்‌ வையக

FIFTH SEMESTER (CBCSS—UG) DEGREE EXAMINATION
NOVEMBER 2022

Physics/Applied physics
PHY 5D 01 (1/APH 5D01 (1}-NON-CONVENTIONAL ENERGY SOURCES

(2019 Admission onwards)

Time : Two Hours Maximum : 60 Marks

The symbols used in question paper have their usual meanings.

Section A (Short Answer Type)

Answer all questions in two or three sentences, each correct answer carries a maximum of 2 marks).

रे @ ^ € ® ~

13.
14.

List any four demerits of non-conventional energy sources.

Distinguish between extraterrestrial and terrestrial solar radiation.

What are the advantages of a solar green house?

Draw the schematic of a solar cooker indicating the basic parts.

Discuss the sources of wind.

What is geothermal energy ? Why is it considered renewable ?

Explain the structure of earth’s interior.

What do you mean by biomass ? Give the classification of biomass resources.

What are the main components of a biogas plant ?

Explain Joule effect.

List any four advantages of a fuel cell.

What is the use of a moderator in a nuclear reactor ? List any two types of moderators.

(Ceiling 20 marks)

Section B (Paragraph/Problem Type)

(Answer all questions in a paragraph of about half a page to one page, each correct answer

carries a maximum of 5 marks).
Using a suitable schematic, explain the working principle of a solar still.

Discuss the problems in operating large wind power generators.

Turn over

244136