Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 140. 150. 200. 30 140. 150. 200. 30 ANSWER DOWNLOAD EXAMIANS APP
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 Unit of luminous flux is candela. lumens. lux. steradians. candela. lumens. lux. steradians. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 2 / 3. 3 / 2. 1 / 3. 2 / 5. 2 / 3. 3 / 2. 1 / 3. 2 / 5. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 200 candle power lamp is hung 4 m above the centre of circular area of 5 m diameter. The illumination at centre of the area is 12.5 lux. 18.5 lux. 17.5 lux. 13.5 lux. 12.5 lux. 18.5 lux. 17.5 lux. 13.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? Low pressure sodium vapour High pressure sodium vapour Fluorescent LED Low pressure sodium vapour High pressure sodium vapour Fluorescent LED ANSWER DOWNLOAD EXAMIANS APP
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