Illumination Total flux or lumens required in any lighting scheme depends inversely on reduction factor. None of these utilization factor. reflection factor. reduction factor. None of these utilization factor. reflection factor. 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 law of square inverse. None of these Lambert’s cosine law. both A and B. law of square inverse. None of these Lambert’s cosine law. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? LED High pressure sodium vapour Low pressure sodium vapour Fluorescent LED High pressure sodium vapour Low pressure sodium vapour Fluorescent 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 140. 30 200. 150. 140. 30 200. 150. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lumens. candela. lux. radians. lumens. candela. lux. radians. 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 1.15 lux. 1.53 lux. 58.45 Kilolux. 17.32 lux. 1.15 lux. 1.53 lux. 58.45 Kilolux. 17.32 lux. ANSWER DOWNLOAD EXAMIANS APP
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