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Tec0151:Farm Power,Tractor Servicing And Operation Question Paper

Tec0151:Farm Power,Tractor Servicing And Operation

Course:Diploma In Agricultural Education And Extension

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

QUESTION ONE – (30 MARKS)
(a) Briefly discuss the term agricultural mechanization with specific emphasis on the ways through which it can generate increased returns. (8 Marks) (b) Other than the internal combustion engine, list five sources of power (5 Marks) (c) Briefly explain the terminology internal combustion engine (4 Marks) (d) State the functions of the following engine components: (i) Cylinder (ii) Piston (iii)Connecting rod (iv) Crankshaft (v) Cylinder head (vi) Flywheel (6 Marks) (e) List four main components of a mechanical drive power train. (4 Marks) (f) Mention three requirements of an ideal braking system. (3 Marks)
QUESTION TWO – (15 MARKS)
(a) Define the following terms as used in engine technology: (i) Bore (ii) Stroke (iii)Top dead center (iv) Piston displacement (v) Clearance volume (5 Marks)
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(b) List and briefly explain the four events associated with the travel of the piston for one cycle during operation of a four-stroke cycle spark ignition engine. (10 Marks)
QUESITON THREE – (15 MARKS)
(a) hat are enine systems (6 Marks) (b) With the aid of a labeled diagram show the main components of a distributor type diesel fuel system and state their functions. (9 Marks)
QUESTION FOUR – (15 MARKS)
(a) Name and state the functions of four main components of a liquid cooling system type of engine cooling system. (6 Marks) (b) Briefly explain the term ower rains as used in enine power transmission (5 Marks) (c) List four qualities of an ideal clutch. (4 Marks)
QUESTION FIVE – (15 MARKS)
(a) With the aid of labeled diagrams show the main components of the following types of clutches: (i) Over running clutch (ii) Cone clutch (10 Marks) (b) Other than controlling integral-mounted implements state five uses of hydraulic systems in modern tractors. (5 Marks)

Tec0151:Farm Power,Tractor Servicing And Operation Question Paper

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