Illumination The range of visual spectrum is 480nm - 760nm. 300nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. 480nm - 760nm. 300nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 200. 140. 30 150. 200. 140. 30 150. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Depreciation. Absorption factor. Maintenance. Utilization. Depreciation. Absorption factor. Maintenance. Utilization. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 1000 W bulb fitted with a reflector illuminates an area of 3 m x 3 m with an average illumination of 450 lux. If the bulb has and efficiency of 9 lumens / watt the efficiency of the reflector is 20 %. 30 %. 45 %. 70 %. 20 %. 30 %. 45 %. 70 %. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 1: 2√2 2:1 1:2 2√2 : 1 1: 2√2 2:1 1:2 2√2 : 1 ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Fluorescent Incandescent LED High pressure sodium vapour Fluorescent Incandescent LED High pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
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