Illumination Which lamp has the best Colour Rendering Index (CRI)? LED Fluorescent High pressure sodium vapour Incandescent LED Fluorescent High pressure sodium vapour Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous flux. Frequency. Luminous intensity. Wavelength. Luminous flux. Frequency. Luminous intensity. Wavelength. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in radians. lux. lumens. candela. radians. lux. lumens. candela. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reflection factor. None of these utilization factor. reduction factor. reflection factor. None of these utilization factor. reduction factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ Cone cells Rod cells None of these Both ‘a’ and ‘b’ Cone cells Rod cells None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 60 lumens. 0.001326 lumens. None of these. 754.2 lumens. 60 lumens. 0.001326 lumens. None of these. 754.2 lumens. ANSWER DOWNLOAD EXAMIANS APP
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