Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. Depreciation. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 1 / 3. 3 / 2. 2 / 5. 2 / 3. 1 / 3. 3 / 2. 2 / 5. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Metal halide. LED. Incandescent. Compact Fluorescent. Metal halide. LED. Incandescent. Compact Fluorescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to utilization factor. absorption factor. waste light factor. beam factor. utilization factor. absorption factor. waste light factor. beam factor. 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 Which lamp is best suited for lighting an International sports arena? Compact Fluorescent Metal Halide Incandescent LED Compact Fluorescent Metal Halide Incandescent LED ANSWER DOWNLOAD EXAMIANS APP