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Arm 303: Field Engineering Ii Question Paper

Arm 303: Field Engineering Ii

Course: Bachelor Agriculture In Agronomy And Horticultural Sciences

Institution: Pwani University question papers

Exam Year:2010

1
A Constituent College of Kenyatta University
UNIVERSITY EXAMINATIONS 2009/2010 ACADEMIC YEAR
3
RD
YEAR 2
ND
SEMESTER
EXAMINATION FOR THE DEGREE OF
STREAM: BACHELOR OF SCIENCE IN AGRIC. &
ENT. DEVELOPMENT
ARM 303: FIELD ENGINEERING II
END SEMESTER: II
TIME: 3 HOURS

INSTRUCTIONS
-
At
tempt
ALL
questions in section
A
and any other
TWO
from se
ction
B
-
Marks for
each question
are indicated in brackets.
SECTION A: 40 MARKS
Q.1)
a)
Briefly explain
i)
T
he two main operations involved in land develo
p
ment
(3 marks)
ii)
Any TWO ways of altering the depth of working when using
a disc plough.
(3 marks)
iii)
How degree of pulverization is controlled when working with
a rotary cultivator.
(3 marks)
b)
State any:
i)
Four importance of farm mechanization
(4 marks)
ii)
THREE disadvantages of the mould board plough.
(3 marks)
2
iii)
Thr
ee ways of improving the penetration of a disc harrow
(3 marks)
Q.2)
a)
Citing examples, differentiate between:
-
i)
An agricultural structure and a farm structure.
(2 marks)
ii)
A building and a shed
(2 marks)
b)
Name and briefly explain
how any FOUR factors determine
the siting of farm buildings.
(8 marks)
Q.3)
a)
Precisely define the following terms:
-
i)
Allowable soil bearing capacity
(1 mark)
ii)
Soil consistency
(1 mark)
iii)
The shrinkage limit of
soil
(1 mark)
iv)
Plasticity of a soil
(1 mark)
b)
i)
List down the three main forms of pictorial drawing.
(3 marks)
ii)
State any two applications of technical drawing in
agriculture.
(2 marks)
SECTION B
–
30 MARKS:
-
ATTEMPT
ANY TWO QUESTIONS
Q.4)
a)
By the use of a well labeled sketch, describe the
construction of the mould board plough, stating the functions
of any FIVE named parts.
(10 marks)
b)
A loam soil of specific resistance 4N/cm
2
is to be ploughed
using
a
three
-
bottom plough of width 25
cm. If the plough is
to work at a dep
th of 20 cm and speed 72 Km/h. D
etermine:
i)
The power required
(2 marks)
ii)
The work done in ploughing 1
hectare
(3 marks)
Q.5)
a)
Giving examples, outline any TH
REE reasons why farm
structures are important in any agricultural production
process.
(3 marks)
b)
With the aid of a sketch of a labeled sectional view of a
conventional farm building
, outline
the functions of any
FOUR named parts o
f
the
building.
(7 marks)

Arm 303: Field Engineering Ii Question Paper

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