Illumination The work of ballast in a fluorescent tube is to limit the flow of current. provide a kick start when voltage is induced. both ‘a’ and ‘b’. None of these. limit the flow of current. provide a kick start when voltage is induced. both ‘a’ and ‘b’. None of these. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lux. radians. lumens. candela. lux. radians. lumens. candela. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? Low pressure sodium vapour Fluorescent LED High pressure sodium vapour Low pressure sodium vapour Fluorescent LED High pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lux. lumens. steradians. candela. lux. lumens. steradians. candela. 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 1.15 lux. 1.53 lux. 58.45 Kilolux. 17.32 lux. 1.15 lux. 1.53 lux. 58.45 Kilolux. 17.32 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent ANSWER DOWNLOAD EXAMIANS APP
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