Illumination Solid angle is expressed in terms of degree. radians / meter. radians. steredians. degree. radians / meter. radians. steredians. 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 1:2 2√2 : 1 1: 2√2 2:1 1:2 2√2 : 1 1: 2√2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 700 nm. 500 nm. 400 nm. 600 nm. 700 nm. 500 nm. 400 nm. 600 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? Both ‘a’ and ‘b’ None of these To convert AC to DC To convert DC to AC Both ‘a’ and ‘b’ None of these To convert AC to DC To convert DC to AC 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. Absorption factor. Maintenance. Depreciation. Utilization. Absorption factor. Maintenance. Depreciation. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Metal Halide LED Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent Incandescent ANSWER DOWNLOAD EXAMIANS APP