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Tec0151:Farm Power,Tractor Servicing And Operation Question Paper

Tec0151:Farm Power,Tractor Servicing And Operation

Course:Diploma In Agriculture

Institution: Meru University Of Science And Technology question papers

Exam Year:2014

QUESTION ONE – (30 MARKS)
(a) Briefly discuss the contribution of agricultural mechanization to the development of developing countries. (8 Marks) (b) List four factors on which the decision/criteria for selecting a certain type of mechanization can be based. (4 Marks) (c) Other than the internal combustion engine outline four sources of power. (8 Marks) (d) List four main components of an internal combustion engine and state their functions. (6 Marks) (e) Outline two main components of tractor power train. (4 Marks)
QUESTION TWO – (15 MARKS)
(a) Define the following engine technology terms: (i) Bore (ii) Stroke (iii) Top dead center (iv) Piston displacement (v) Compression ratio (5 Marks)
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(b) Briefly explain the operation of a four stroke cycle, spark ignition engine such as the petrol engine. (10 Marks)
QUESTION THREE – (15 MARKS)
(a) Discuss the term “bleeding” as used in diesel engines (5 Marks) (b) With the aid of a labelled diagram show the main components of distributor type diesel fuel system. (10 Marks)
QUESTION FOUR – (15 MARKS)
(a) With the aid of a labelled diagram show the components of a liquid cooling engine system. (10 Marks) (b) Outline two types of engine lubrication systems. (5 Marks)
QUESTION FIVE – (15 MARKS)
(a) State six basic tractor controls/ instruments. (3 Marks) (b) List six qualities of a good clutch. (6 Marks) (c) Outline three main components of a hydraulic system. (6 Marks)

Tec0151:Farm Power,Tractor Servicing And Operation Question Paper

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