Illumination Which lamp has a negative Colour Rendering Index (CRI)? Fluorescent Low pressure sodium vapour High pressure sodium vapour LED Fluorescent Low pressure sodium vapour High pressure sodium vapour LED ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is candela. lux. lumens. steradians. candela. lux. lumens. steradians. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Incandescent Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of radians / meter. radians. degree. steredians. radians / meter. radians. degree. steredians. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 3 / 2. 1 / 3. 2 / 5. 2 / 3. 3 / 2. 1 / 3. 2 / 5. 2 / 3. 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 45 %. 70 %. 20 %. 30 %. 45 %. 70 %. 20 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS