Illumination Illumination can be expressed in lumens. candela. lux. radians. lumens. candela. lux. radians. 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? 2:1 2√2 : 1 1:2 1: 2√2 2:1 2√2 : 1 1:2 1: 2√2 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 1.53 lux. 17.32 lux. 58.45 Kilolux. 1.15 lux. 1.53 lux. 17.32 lux. 58.45 Kilolux. 1.15 lux. 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. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Metal halide. Compact Fluorescent. Incandescent. LED. Metal halide. Compact Fluorescent. Incandescent. LED. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 30 lumens / watt. 40 lumens / watt. 70 lumens / watt. 60 lumens / watt. 30 lumens / watt. 40 lumens / watt. 70 lumens / watt. 60 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
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