Structures
What are the functionsof wind breaks?
To provide cooling and removal of odors from the farm
What is an engine?
A machine that converts one form chemical energy to mechanical force or motion.
What is a foundation?
A foundation referes to the basal part of a building which is connected to the soil and provides support to super structure loads.
What is wood?
This is a commonly used material in many parts of the world because it is cost effective, easy to work with, attractive in appearance and durable if protected against moisture and insects.
What is an air cooling system?
Examples of storage structures..
Cold rooms, silos, garages, graneries, store rooms, and sheds
What is an external combustion engine?
This is an enhine where the fuel is burnt outside of the cylinder in a broiler to produce hot gas or steam .
What is a roof frame?
A roof provides a structure that spans the walls of the building and supports the roof covering.
Difference between hard wood and soft wood?
Hard woods are deciduous whereas soft woods are conifers. Hardwoods trees are also slower growers compared to soft wood trees.
7 Parts of a water cooling system include?
thermostat valve, water pump, water jacket, radiator, fan belt, temperature gauge, fan
What are farm structures?
Farm structures are pricipal structures that create environments to protect animals and crops from the elements and to maximize productivity.
Difference between gas and diesel engines?
Diesel engines are more durable than gas engines
Gas engine contain spark plugs, diesel engines does not
What is load bearing walls?
These are walls that support loads from floors and roof in addition to their own weight and resist side pressures.
What is concrete
Concrete is a composite material made of fine and coare aggregate bonded together with a fluid cement that hardens over time.
State 4 purposes of a lubrication system.
Reducing friction, cooling, sealing, and cleaning
What are three factors to be considered for farm structures?
Wind direction, topography, accessibility, existing amenities, soil type, security, government regulations.
What is the function of the crankshaft?
The crankshaft convert sthe reciprocating movement of the piston into the rotary motion of the fly wheel
What is a footing?
This is an enlarged base for a foundation that is desgined to distribute the building load over a large area of soil and to provide a firm, level surface for constructiong the foundation wall.
Examples of metals
Brass, bronze, alluminum and cast iron
State the use of a differential lock .
The differential lock is used to join both half axles of the tractor to increase equal traction.
What is permaculture?
Permaculture is a philosophical approach to management that mimics arrangements in flourishing ecosystems.
State the function of the camshaft and also state what happens in a spark ignition engine.
A camshaft is a shaft which raises and lowers the inlet and exhaust valves at proper times.
In a spark ignition engine fuel is spray, vaporized and mixed with air in correct proportions and injected into the cylinder.
State 6 parts of the roof
Hip, ridge, dormer, eaves, gables, soffit, rakes
What is glass?
A non crystalline, transparent, amorphous solid that is used for technological and decorative purposes
What is a belt pulley?
A belt pulley is a belt that transmits power from the tractor to stationery machines. It can be located either on the left, right or rear side of the tractor.