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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