Monthly Archives: June 2016


Pre-flight inspection & checks 472

Any aircraft is pre-flight inspected & checked before its on air to avoid mishaps and ensure its safe to commute on. each aeroplane has it own pre-flight checklist therefore we cant say for certain but basically most air craft pass almost through the following steps. Pilots follow a certain procedure […]


aircraft Electrical systems 831

An aircraft electrical system is made up of the normal electrical equipment which unlike a car has 14 or 28 direct current electricity. The equipment & systems include an auxiliary power units alternator or generator,variable frequency starter generator or alternator, battery, master/battery switch,alternator or generator switch, bus-bar, fuses, circuit breakers, […]


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 […]


Types of roads 803

The different types of roads are :- 2+1 road – This is a road that is a three-lane consisting of two lanes in one direction and one lane in the other commonly separated by a cable barrier.  2+2 road – This is a four lane road consisting of two lanes […]


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  […]


Aeroplane environmental systems 729

Air supply and cooling, thermal control and pressurization of the cabin i.e HVAC (heating, ventilation & air conditioning) are considered to be part and parcel of the aeroplane environmental systems. Air in the aircraft is retrieved from the gas turbine jet engine at a point right before combustion. COOLING SYSTEMS […]


emergency equipment & systems in an aircraft 785

This are the equipment and systems employed in-case of emergency i.e like when a plane gets lost or crashes in order to track it, the passengers, flight crew, the pilot & co-pilot. They include :- flight data recorder (FDR) – keeps history of recent history of flight in a plane […]


computer network 1172

There are many types of computer network. some are closely related and may be hard to distinguish. You can connect computers, telephones and other peripheral devices in all these without necessarily having internet connection. well tackle each one by one :- Personal area network (PAN) – this is a computer […]


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 […]