Illumination Which lamp has a negative Colour Rendering Index (CRI)? LED High pressure sodium vapour Fluorescent Low pressure sodium vapour LED High pressure sodium vapour Fluorescent Low pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Fluorescent High pressure sodium vapour Incandescent LED Fluorescent High pressure sodium vapour Incandescent LED 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 Which among the following lamps has the maximum burning hours? Metal halide. Compact Fluorescent. LED. Incandescent. Metal halide. Compact Fluorescent. LED. Incandescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? To convert DC to AC Both ‘a’ and ‘b’ To convert AC to DC None of these To convert DC to AC Both ‘a’ and ‘b’ To convert AC to DC None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminous flux Illuminance Luminous Intensity Luminance Luminous flux Illuminance Luminous Intensity Luminance ANSWER DOWNLOAD EXAMIANS APP
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