Illumination The work of ballast in a fluorescent tube is to provide a kick start when voltage is induced. limit the flow of current. both ‘a’ and ‘b’. None of these. provide a kick start when voltage is induced. limit the flow of current. both ‘a’ and ‘b’. None of these. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? LED Fluorescent High pressure sodium vapour Incandescent LED Fluorescent High pressure sodium vapour Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Incandescent Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent LED 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. 17.32 lux. 58.45 Kilolux. 1.53 lux. 1.15 lux. 17.32 lux. 58.45 Kilolux. 1.53 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? LED Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 600 nm. 700 nm. 500 nm. 400 nm. 600 nm. 700 nm. 500 nm. 400 nm. ANSWER DOWNLOAD EXAMIANS APP
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