Illumination The work of ballast in a fluorescent tube is to both ‘a’ and ‘b’. provide a kick start when voltage is induced. None of these. limit the flow of current. both ‘a’ and ‘b’. provide a kick start when voltage is induced. None of these. limit the flow of current. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Compact Fluorescent. LED. Incandescent. Metal halide. Compact Fluorescent. LED. Incandescent. Metal halide. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is steradians. lumens. candela. lux. steradians. lumens. candela. lux. 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. 1.15 lux. 17.32 lux. 1.53 lux. 58.45 Kilolux. 1.15 lux. 17.32 lux. 1.53 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lumens. radians. lux. candela. lumens. radians. lux. ANSWER DOWNLOAD EXAMIANS APP
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