network topology 268

network topology is a way and method in which computers are networked. This networks not only enable computers to connect to each other, communicate and share files but also allow for internet access. types of network topology include :- Bus network topology – In this network topology all computers are […]

Types of cement 785

There are many types of cement different in chemical composition and with different properties.   Ordinary portland cement –¬† This is the most commonly used cement. its properties render it useful in many building sites although it cannot be used where there is exposure to sulphates or ground water. Rapid […]

carburetor & injection 439

carburetor is a mechanical device that mixes air and fuel into correct ratios. The detailed picture of a cross section view is shown below. Carburetor   Air/fuel mixture is drawn from the carburetor by vacuum created by the movement of the piston in the four stroke cycle. This tends to […]

engine layouts 744

There are different types of engine layouts. There is w,v,boxer,inline vr6 and wankel engine layouts. They include:- w engine This is a combination of two v engines laid next to one another. It consists of a camshaft in the middle of the w and rocker arms to open and close […]

engine 799

There are many types of engine but the car engine & motorbikes is of internal combustion type. This means that all the combustion is found internally. The rotation happens in form of strokes. internal combustion engines are classified as two stroke or four stroke engines i.e in four stroke there […]

construction plant 780

construction plant is a word meaning the machinery used in construction and civil engineering construction. This plant¬† equipment include earth moving, construction and material moving equipment. MATERIAL MOVING EQUIPMENT crane – is a plant equipment with a wire rope, hoist and sheaves that can be used to transport, lift or […]