Illumination Which among the following lamps has the maximum burning hours? LED. Compact Fluorescent. Incandescent. Metal halide. LED. Compact Fluorescent. Incandescent. Metal halide. 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 140. 150. 200. 30 140. 150. 200. 30 ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 60 lumens / watt. 30 lumens / watt. 40 lumens / watt. 70 lumens / watt. 60 lumens / watt. 30 lumens / watt. 40 lumens / watt. 70 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Wavelength. Luminous intensity. Luminous flux. Frequency. Wavelength. Luminous intensity. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Depreciation. Maintenance. Utilization. Absorption factor. Depreciation. Maintenance. Utilization. Absorption 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 58.45 Kilolux. 17.32 lux. 1.15 lux. 1.53 lux. 58.45 Kilolux. 17.32 lux. 1.15 lux. 1.53 lux. ANSWER DOWNLOAD EXAMIANS APP
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