Illumination Total flux or lumens required in any lighting scheme depends inversely on None of these reduction factor. utilization factor. reflection factor. None of these reduction factor. utilization factor. reflection factor. 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 17.5 lux. 12.5 lux. 18.5 lux. 13.5 lux. 17.5 lux. 12.5 lux. 18.5 lux. 13.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous Intensity Luminous flux Illuminance Luminance Luminous Intensity Luminous flux Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. radians. lux. lumens. candela. radians. lux. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of steredians. degree. radians. radians / meter. steredians. degree. radians. radians / meter. ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to beam factor. absorption factor. waste light factor. utilization factor. beam factor. absorption factor. waste light factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP