Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to beam factor. utilization factor. absorption factor. waste light factor. beam factor. utilization factor. absorption factor. waste light factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 600 nm. 500 nm. 700 nm. 400 nm. 600 nm. 500 nm. 700 nm. 400 nm. 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 30 140. 150. 200. 30 140. 150. 200. ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination of the surface varies directly with cosine of the angle between normal to surface and direction of the inclined light is given by None of these law of square inverse. both A and B. Lambert’s cosine law. None of these law of square inverse. both A and B. Lambert’s cosine law. ANSWER DOWNLOAD EXAMIANS APP
Illumination From a uniform light source having luminous intensity of 300 candelas, there exists a plane surface 15 m below. The value of illuminance at a point on the plane surface where the luminous flux rays are inclined at an angle of 30 to the surface is 58.45 Kilolux. 17.32 lux. 1.53 lux. 1.15 lux. 58.45 Kilolux. 17.32 lux. 1.53 lux. 1.15 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. ANSWER DOWNLOAD EXAMIANS APP
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