Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 200. 150. 30 140. 200. 150. 30 140. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 60 lumens / watt. 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 60 lumens / watt. 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 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 2:1 1:2 2√2 : 1 1: 2√2 2:1 1:2 2√2 : 1 ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Luminous intensity. Wavelength. Luminous flux. Frequency. Luminous intensity. Wavelength. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lumens. candela. lux. radians. lumens. candela. lux. radians. 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. Depreciation. Maintenance. Absorption factor. Utilization. Depreciation. Maintenance. Absorption factor. ANSWER DOWNLOAD EXAMIANS APP