Code.No: 27022

SET-1

RR

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV.B.TECH - I SEMESTER SUPPLEMENTARY EXAMINATIONS NOV/DEC, 2009 NON-CONVENTIONAL ENERGY SOURCES (ELECTRICAL & ELECTRONICS ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --1.a) Compare different non Conventional energy resources and Conventional energy sources. b) Explain Beam solar radiation and diffuse solar radiation. [8+8] 2.a) b)

What are the different renewal energy resources? Explain. Explain the solar radiation for fitted surfaces and rotational surfaces.

3.a) b)

What are solar cells? Explain them with suitable diagram. How is the solar energy concentrated in a flat plate collector? Explain.

[8+8]

4.a) b)

Explain the main considerations in selecting a site for wind generators. Derive the expression for maximum power generation for the wind mill.

[8+8]

5.a) b)

Explain the working principle of horizontal axis wind mill with suitable diagrams. How to control the operation of wind mill? Explain its mechanism. [8+8]

6.a) b)

What are different OTEC techniques for power generation? Explain. Differentiate between Waves and Tides. Explain the reasons for the formation of tides and waves. [8+8]

7.a) b)

What are the different types of bio-fuels used in power generation? Explain. Explain the constructional features of binary fluid geothermal energy conversion system with suitable diagram. [8+8]

8.

Write short notes on: a) Biogas digester. b) Solar thermal energy conversion. c) Energy Management and conservation.

Aj

nt

uW

or ld

[8+8]

-oOo-

[16]

Code.No: 27022

SET-2

RR

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV.B.TECH - I SEMESTER SUPPLEMENTARY EXAMINATIONS NOV/DEC, 2009 NON-CONVENTIONAL ENERGY SOURCES (ELECTRICAL & ELECTRONICS ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --What are solar cells? Explain them with suitable diagram. How is the solar energy concentrated in a flat plate collector? Explain.

[8+8]

2.a) b)

Explain the main considerations in selecting a site for wind generators. Derive the expression for maximum power generation for the wind mill.

[8+8]

3.a) b)

Explain the working principle of horizontal axis wind mill with suitable diagrams. How to control the operation of wind mill? Explain its mechanism. [8+8]

4.a) b)

What are different OTEC techniques for power generation? Explain. Differentiate between Waves and Tides. Explain the reasons for the formation of tides and waves. [8+8]

5.a) b)

What are the different types of bio-fuels used in power generation? Explain. Explain the constructional features of binary fluid geothermal energy conversion system with suitable diagram. [8+8]

6.

Write short notes on: a) Biogas digester. b) Solar thermal energy conversion. c) Energy Management and conservation.

b)

uW

What are the different renewal energy resources? Explain. Explain the solar radiation for fitted surfaces and rotational surfaces.

Aj

8.a) b)

[16]

Compare different non Conventional energy resources and Conventional energy sources. Explain Beam solar radiation and diffuse solar radiation. [8+8]

nt

7.a)

or ld

1.a) b)

-oOo-

[8+8]

Code.No: 27022

SET-3

RR

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV.B.TECH - I SEMESTER SUPPLEMENTARY EXAMINATIONS NOV/DEC, 2009 NON-CONVENTIONAL ENERGY SOURCES (ELECTRICAL & ELECTRONICS ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --1.a) Explain the working principle of horizontal axis wind mill with suitable diagrams. b) How to control the operation of wind mill? Explain its mechanism. [8+8]

What are different OTEC techniques for power generation? Explain. Differentiate between Waves and Tides. Explain the reasons for the formation of tides and waves. [8+8]

3.a) b)

What are the different types of bio-fuels used in power generation? Explain. Explain the constructional features of binary fluid geothermal energy conversion system with suitable diagram. [8+8]

4.

Write short notes on: a) Biogas digester. b) Solar thermal energy conversion. c) Energy Management and conservation.

b)

[16]

Compare different non Conventional energy resources and Conventional energy sources. Explain Beam solar radiation and diffuse solar radiation. [8+8]

uW

5.a)

or ld

2.a) b)

What are the different renewal energy resources? Explain. Explain the solar radiation for fitted surfaces and rotational surfaces.

[8+8]

7.a) b)

What are solar cells? Explain them with suitable diagram. How is the solar energy concentrated in a flat plate collector? Explain.

[8+8]

nt

6.a) b)

Explain the main considerations in selecting a site for wind generators. Derive the expression for maximum power generation for the wind mill.

Aj

8.a) b)

-oOo-

[8+8]

Code.No: 27022

SET-4

RR

3.a) b)

Write short notes on: a) Biogas digester. b) Solar thermal energy conversion. c) Energy Management and conservation.

or ld

2.

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD IV.B.TECH - I SEMESTER SUPPLEMENTARY EXAMINATIONS NOV/DEC, 2009 NON-CONVENTIONAL ENERGY SOURCES (ELECTRICAL & ELECTRONICS ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --1.a) What are the different types of bio-fuels used in power generation? Explain. b) Explain the constructional features of binary fluid geothermal energy conversion system with suitable diagram. [8+8]

[16]

Compare different non Conventional energy resources and Conventional energy sources. Explain Beam solar radiation and diffuse solar radiation. [8+8] What are the different renewal energy resources? Explain. Explain the solar radiation for fitted surfaces and rotational surfaces.

[8+8]

5.a) b)

What are solar cells? Explain them with suitable diagram. How is the solar energy concentrated in a flat plate collector? Explain.

[8+8]

6.a) b)

Explain the main considerations in selecting a site for wind generators. Derive the expression for maximum power generation for the wind mill.

[8+8]

7.a) b)

Explain the working principle of horizontal axis wind mill with suitable diagrams. How to control the operation of wind mill? Explain its mechanism. [8+8]

8.a) b)

What are different OTEC techniques for power generation? Explain. Differentiate between Waves and Tides. Explain the reasons for the formation of tides and waves. [8+8]

Aj

nt

uW

4.a) b)

-oOo-