Illumination What will be the total flux emitted by a source of 60 candle power? 0.001326 lumens. 754.2 lumens. None of these. 60 lumens. 0.001326 lumens. 754.2 lumens. None of these. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. candela. steradians. lux. lumens. candela. steradians. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on None of these reflection factor. reduction factor. utilization factor. None of these reflection factor. reduction factor. utilization factor. 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. 58.45 Kilolux. 1.53 lux. 17.32 lux. 1.15 lux. 58.45 Kilolux. 1.53 lux. 17.32 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination The work of ballast in a fluorescent tube is to limit the flow of current. provide a kick start when voltage is induced. None of these. both ‘a’ and ‘b’. limit the flow of current. provide a kick start when voltage is induced. None of these. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Utilization. Absorption factor. Depreciation. Maintenance. Utilization. Absorption factor. Depreciation. Maintenance. ANSWER DOWNLOAD EXAMIANS APP