Illumination What is the work of a driver in case of an LED? 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 Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent LED Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Absorption factor. Depreciation. Utilization. Maintenance. Absorption factor. Depreciation. Utilization. Maintenance. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of degree. radians / meter. steredians. radians. degree. radians / meter. steredians. radians. 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 17.32 lux. 1.53 lux. 58.45 Kilolux. 1.15 lux. 17.32 lux. 1.53 lux. 58.45 Kilolux. 1.15 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 600 nm. 700 nm. 400 nm. 500 nm. 600 nm. 700 nm. 400 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP