Illumination Unit of luminous flux is lumens. steradians. lux. candela. lumens. steradians. lux. candela. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Absorption factor. Maintenance. Depreciation. Utilization. Absorption factor. Maintenance. Depreciation. Utilization. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous intensity. Wavelength. Luminous flux. Frequency. Luminous intensity. Wavelength. Luminous flux. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ Cone cells None of these Rod cells Both ‘a’ and ‘b’ Cone cells None of these Rod cells ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED Incandescent 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 %. 70 %. 20 %. 45 %. 30 %. 70 %. 20 %. 45 %. ANSWER DOWNLOAD EXAMIANS APP
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