engineering


Stairs 411

stairs are means of descending or ascending from one floor level to another by a series of steps. PARTS OF A STAIR Riser – is the vertical face of a step Rise – vertical distance between to consecutive treads Tread – horizontal surface of the stair that is stepped on […]


Inner workings of a cell tower 723

A cell tower is a pylon rising up in the air that holds communication and data devices of the telecommunication industries. At its base is the service providers equipment shelter better known as BTS that houses radio transmitters and receivers that allow communication between the phones and tower. The radio […]


Types of dredging vessels 489

Dredging is the digging or pulling out of material in the sea or ocean in order to deepen waterways, make harbours, berths, docks, desilt lakes & clear river entry e.t.c. Dredging can be classified into two :- Mechanical dredging Hydraulic dredging TYPES OF DREDGERS Trailer Suction Hopper Dredgers -itis a […]


Amphibious vehicles 816

There are cars in this world designed for both road & sea. These are better known as amphibious vehicles. They include :- UHAC – ultra heavy lift amphibious connector. it is a great and massive truck capable of literally paddling through water and driving through versatile terrain. it is used […]


Ancient sail ship explained 1155

The force of wind is technically what moves the sail ship.If u place sails across the path of the wind it pushes against them to create a force which in turn moves the vessel. its therefore imperative to know the patterns of wind if you plan to sail to a […]


Resistors 788

There are many types of electronic components and their mode of testing vary from component to component. They include :- resistors – They provide resistance in circuit and are of many types :- carbon composition resistors  carbon film resistors metal film resistor fusible resistor  wire wound resistor  smd resistor – […]


Parts of a helicopter & how it flies 464

A helicopter is an aircraft that derives both lift and propulsion from one or more sets of horizontally revolving overhead rotors rendering it capable of moving vertically and horizontally. below are its major parts and how they function.  Engine and transmission – The engine is of turbo-shaft jet engine type […]


Types of modern ship 890

There are many types of ship, ever since the early days people have traveled on water. Today well cover only modern ship, ancient ship will be covered in a later article. cargo ship – are also known as break bulk carriers, mostly have four or five holds i.e cargo spaces […]


pavement road defects 807

There are many types of roads but pavement roads are the most popular specifically those with asphalt or tarmac. in this article we will cover the most common defects and their causes :- Alligator cracking – This is a pavement defect brought about by poor drainage, weak base, sub grade  […]