maintenance of domestic appliances

Radio A radio is an instrument used to receive messages without wire connections but through electromagnetic waves. The various types […]

Maintenance of domestic appliances

Simple Maintenance Methods The major concern of this unit is to discuss the maintenance of common domestic appliances. The methods […]

Setting out

Setting Out For us to understand and appreciate what setting out operation is all about, let us first discuss the […]

building site preparation

Hand tools Among typical hand tools used in the site preparation operations are:   This is a portable diesel or […]

principles of operation of ac motor machines

(a) The Electric Fan The electric fan is basically an induction motor of the squirrel – cage rotor type in […]

Energy based technological appliances

We shall discuss the following: Operation of a pressing iron, Operation of an electric kettle, operation of cookers, water heaters, […]

JSS2 Third Term Basic Technology Junior Secondary School

Welcome to Stoplearn.com online secondary school  JSS2 Third term.  Here you can learn Basic Technology for Junior Secondary School  online […]

Mechanical energy transmission system (linear motion)

Linear Motion Shows a push-pull link mechanism, which executes basically linear motion. Arms A and B have pivots as shown […]

Mechanical Energy transmission system (gears)

Gears A gear is a drive mechanism used to transmit mechanical power from one point to the other. It is […]

Friction

Friction Mechanical energy is a very useful form of energy. It is used to move objects from one place to […]