Font size
WorksheetsESD with Illumination
Total questions: 15
Worksheet time: 4mins
A type of lighting system where light flux more or less uniformly distributed to all direction
Direct Lighting system
Indirect Lighting System
General Diffuse Lighting System
Lifespan of Low Pressure Sodium lamp
Part of Low Pressure Sodium lamp responsible for emitting yellow light
A type of lamp that is also called SOX lamp
A type of discharge lamp that produces light from an electric arc inside a pressurized arc tube containing sodium and other gases
A glass component that houses the internal assembly of a sodium lamp
Mercury Vapor Lamp is a type of lamp that
Pair of metal rod that placed at both ends of the arc tubes that releases electrons to start and maintain the electric arc
A semiconductor device that emits light when an electric current passes through it
An interconnection wire bond between anode and cathode
A zone on tunnel lighting on which constant and moderate lighting is maintained for drivers safe driving. Typically uses 30 - 50 lux for every 7 - 10 meter spacing
(a)
The distance measured horizontally between the outer of the column or wall face or lamp post and the center of the luminaires
(a)
The total amount of visible light emitted by a source, measured in lumens (lm)
(a)
The intensity of light emitted from a surface per unit area in a given direction
(a)
A metric used to compare light output to energy consumption. efficacy is measured in lumens per watt
(a)
