Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Maintenance. Absorption factor. Depreciation. Utilization. Maintenance. Absorption factor. Depreciation. Utilization. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminous Intensity Luminance Illuminance Luminous flux Luminous Intensity Luminance Illuminance Luminous flux 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√2 : 1 2:1 1:2 1: 2√2 2√2 : 1 2:1 1:2 1: 2√2 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 The work of ballast in a fluorescent tube is to provide a kick start when voltage is induced. limit the flow of current. None of these. both ‘a’ and ‘b’. provide a kick start when voltage is induced. limit the flow of current. None of these. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lumens. radians. lux. candela. lumens. radians. lux. candela. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS