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ARHOLIADAU EXAMINATIONS
SEMESTER ONE EXAMINATIONS, 2012
INSTITUTE OF BIOLOGICAL, ENVIRONMENTAL AND RURAL SCIENCES
BR10210 AGRICULTURAL TECHNOLOGY
Time allowed: ONE AND A HALF HOURS
Answer THREE questions
1.
a)
With the aid of simple diagrams, describe the 4 stroke cycle –
compression ignition (diesel). (12 marks)
b)
Explain how modern diesel engines are able to produce 2 or 3 times
the power output of older, normally aspirated direct injection
engines. (8 marks)
2.
‘Tractors behave differently when operating on sloping ground.’ Discuss.
3.
a)
Define and explain what the term 'safe stop' means. (8 marks)
b)
Explain the correct sequence for hitching and unhitching a mounted
fertilizer distributor. (8 marks)
c)
Outline the strategy for entering and exiting a tractor cab and
explain its significance.
4.
Outline the key design features to be considered when designing cattle
housing.
5.
Describe what is meant by the term ‘Precision Farming’ and comment on
its influence on farm inputs and outputs.
6.
Outline the renewable energy production opportunities on farm.
.END OF PAPER
