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 Unit of luminous flux is steradians. lumens. candela. lux. steradians. lumens. candela. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lux. radians. lumens. candela. lux. radians. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 200 candle power lamp is hung 4 m above the centre of circular area of 5 m diameter. The illumination at centre of the area is 18.5 lux. 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. 13.5 lux. 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? 1:2 1: 2√2 2√2 : 1 2:1 1:2 1: 2√2 2√2 : 1 2:1 ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? LED Compact Fluorescent Metal Halide Incandescent LED Compact Fluorescent Metal Halide Incandescent ANSWER DOWNLOAD EXAMIANS APP
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