Illumination The range of visual spectrum is 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Incandescent LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? Low pressure sodium vapour LED Fluorescent High pressure sodium vapour Low pressure sodium vapour LED Fluorescent High pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Compact Fluorescent. Metal halide. LED. Incandescent. Compact Fluorescent. Metal halide. LED. Incandescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 1000 W bulb fitted with a reflector illuminates an area of 3 m x 3 m with an average illumination of 450 lux. If the bulb has and efficiency of 9 lumens / watt the efficiency of the reflector is 20 %. 30 %. 45 %. 70 %. 20 %. 30 %. 45 %. 70 %. ANSWER DOWNLOAD EXAMIANS APP
Illumination The work of ballast in a fluorescent tube is to None of these. 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’. ANSWER DOWNLOAD EXAMIANS APP
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