Illumination Luminous efficacy of a typical HPSV lamp is in between 40 - 70 lm/watt. 10 - 40 lm/watt 70 - 120 lm/watt. 120 - 200 lm/watt. 40 - 70 lm/watt. 10 - 40 lm/watt 70 - 120 lm/watt. 120 - 200 lm/watt. 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
Illumination Which lamp is best suited for lighting an International sports arena? Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reduction factor. reflection factor. None of these utilization factor. reduction factor. reflection factor. None of these utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination of the surface varies directly with cosine of the angle between normal to surface and direction of the inclined light is given by both A and B. None of these Lambert’s cosine law. law of square inverse. both A and B. None of these Lambert’s cosine law. law of square inverse. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED ANSWER DOWNLOAD EXAMIANS APP
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