Illumination Which among the following lamps has the maximum burning hours? Compact Fluorescent. Incandescent. LED. Metal halide. Compact Fluorescent. Incandescent. LED. Metal halide. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lumens. radians. lux. candela. lumens. radians. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 754.2 lumens. 0.001326 lumens. None of these. 60 lumens. 754.2 lumens. 0.001326 lumens. None of these. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on None of these reflection factor. reduction factor. utilization factor. None of these reflection factor. reduction factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ None of these Rod cells Cone cells Both ‘a’ and ‘b’ None of these Rod cells Cone cells ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 2:1 1: 2√2 1:2 2√2 : 1 2:1 1: 2√2 1:2 2√2 : 1 ANSWER DOWNLOAD EXAMIANS APP
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