Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to waste light factor. beam factor. utilization factor. absorption factor. waste light factor. beam factor. utilization factor. absorption factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous flux Luminous Intensity Illuminance Luminance Luminous flux Luminous Intensity Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 1: 2√2 1:2 2√2 : 1 2:1 1: 2√2 1:2 2√2 : 1 2:1 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 200. 140. 30 150. 200. 140. 30 150. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on None of these reflection factor. utilization factor. reduction factor. None of these reflection factor. utilization factor. reduction factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous intensity. Wavelength. Luminous flux. Frequency. Luminous intensity. Wavelength. Luminous flux. Frequency. ANSWER DOWNLOAD EXAMIANS APP