What is Electric Traction? - Introduction, Definition, Working, Advantages and Disadvantages Electric traction was first introduced in Britian in the year 1890 at 600 V dc using third rail for urban and suburban services. For…
What is Flood Lighting? - Definition and Calculations Flood lighting means flooding of large surfaces with light from powerful projectors. It is employed to serve one or more of the following purposes. Aesthetic Flood lighting:…
What is Street Lighting? - Objectives, Principles and Types The main objects of street lighting are : To make the traffic and obstructions on the road clearly visible in order to promote safety and convenience.…
Methods of Lighting Calculations: The different methods of lighting calculations are Watts per square metre method. Lumen or light flux method. Point to point or inverse-square law method. 1. Watts Per Square Metre Method. This…
Factory Lighting in illumination - Fittings and Maintenance: Adequate factory lighting is of vital importance, as it provides improved amenities for the employees, increased production and has a definite economic value in reducing accidents with…
Design of Lighting Schemes: The Design of lighting schemes should be such that it may, provide adequate illumination, provide light distribution all over the working plane as uniform as possible. provide light of suitable colour,…
Types of Lighting Schemes: The distribution of the light emitted by lamps is usually controlled to some extent by means of reflectors and translucent diffusing screens, or even lenses. The interior types of lighting schemes…
What is Reflection Factor? - Types of Reflection When light falls on a surface, depending upon the nature of the surface, some portion of light energy is reflected, some portion is transmitted through the medium…
Compact Fluorescent Lamp (CFL) - Working Principle, Types, Advantages and Disadvantages: A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light, is a type of fluorescent lamp which combines…
Fluorescent Tube - Definition, Construction, Working, Merits and Demerits: Fluorescent lighting has a great advantage over other light sources in many applications. The tubes can be obtained in a variety of lengths, with illumination in…
