Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 30 140. 200. 150. 30 140. 200. 150. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lux. lumens. radians. candela. lux. lumens. radians. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 600 nm. 400 nm. 500 nm. 700 nm. 600 nm. 400 nm. 500 nm. 700 nm. 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√2 : 1 1: 2√2 2:1 1:2 2√2 : 1 1: 2√2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reduction factor. None of these utilization factor. reflection factor. reduction factor. None of these utilization factor. reflection factor. 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 30 %. 20 %. 70 %. 45 %. 30 %. 20 %. 70 %. 45 %. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS