Illumination Which lamp is best suited for lighting an International sports arena? Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent LED Incandescent 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 17.32 lux. 58.45 Kilolux. 1.53 lux. 1.15 lux. 17.32 lux. 58.45 Kilolux. 1.53 lux. 1.15 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? To convert AC to DC Both ‘a’ and ‘b’ To convert DC to AC None of these To convert AC to DC Both ‘a’ and ‘b’ To convert DC to AC None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? None of these. 754.2 lumens. 0.001326 lumens. 60 lumens. None of these. 754.2 lumens. 0.001326 lumens. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Luminous flux. Luminous intensity. Wavelength. Frequency. Luminous flux. Luminous intensity. Wavelength. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? LED Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent Incandescent Metal Halide ANSWER DOWNLOAD EXAMIANS APP
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