Illumination Wave length for red colour is around 400 nm. 500 nm. 600 nm. 700 nm. 400 nm. 500 nm. 600 nm. 700 nm. 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 The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 30 150. 200. 140. 30 150. 200. 140. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Wavelength. Luminous intensity. Luminous flux. Frequency. Wavelength. Luminous intensity. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination The work of ballast in a fluorescent tube is to both ‘a’ and ‘b’. None of these. limit the flow of current. provide a kick start when voltage is induced. both ‘a’ and ‘b’. None of these. limit the flow of current. provide a kick start when voltage is induced. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED ANSWER DOWNLOAD EXAMIANS APP
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