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Set 545: Energy In Agriculture Question Paper

Set 545: Energy In Agriculture

Course:Bachelor Of Science In Energy Engineering

Institution: Kenyatta University question papers

Exam Year:2010

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR
OF SCIENCE (ENERGY ENGINEERING)

SET 545: ENERGY IN AGRICULTURE

DATE:
Thursday 8th April 2010

TIME: 2.00p.m – 4.00p.m

INSTRUCTIONS:
This paper consists of FIVE questions
Answer any THREE questions
Question 1

a)
Explain some the sources of energy which are readily available for processing and

preservation of agricultural produce.

[6marks]
b)
Using a sketch of a standard plough explain the following parts

i)
Coulter

ii)
Share

iii)
Beam

iv)
Mouldboard

[8marks]
c)
Discuss giving reasons why agriculture is important in East Africa.

[5marrks]
d)
Explain the principles of internal engines used in farm operations. [6marks]

Question 2
a)
Give a detailed account of two different methods of irrigation which are currently

practiced in E.A. explaining energy requirement for each case.
[12marks]
b)
Discuss the advantages of using animals in farm operations.
[5marks]
c)
Why is drainage important in the production of crops.

[5marks]
d)
Explain why there is need to dry grains.

[3marks]
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________________________________________
Question 3
a)
One of the unfortunate attributions of post-harvest system is the large amounts of

wastage involved. Explain the various factors which contribute to these wastage.

[10marks]
b)
Briefly describe two types of machinery which are commonly used in the

following operations and their source of power.

i)
Primary cultivation.

ii)
Secondary cultivation.

[10marks]
c)
Explain the principles of seeding operation and their sources of power.

[5marks]
Question 4
a)
Explain the role and need of agricultural mechanization.

[6marks]
b)
Why is post-harvest technology necessary.

[5marks]
c)
Explain what tillage entails and in the process give six functions which tillage is

supposed to accomplish.

[7marks]
d)
Briefly discuss some of the harvesting and threshing machinery. [7marks]

Question 5
a)
As an energy engineer and from your practical experience in a farming

environment in a particular locality, discuss how you can redesign some of the

farm implements to utilize the abundant renewable energy resources. Give some

sketches where necessary.

[18marks]
b)
Discuss and distinguish the terminologies work, power and fuel as used in your

field of study.

[7marks]

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Set 545: Energy In Agriculture Question Paper

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