MCQ on Illumination Engineering with Answers
MCQ on Illumination Engineering 1. A radiant energy from a hot body which produces the visual sensation upon the human eyes is known as ........... A) Light B) Colour vision C) Lux D)candle Power 2. Utilization factor is also known as A) Depreciation Factor B) Glare C) Absorption Factor D) Co-Efficient of utilization 3. According to inverse square Law E=I/? A) Area B) r (distance) C) r^2 D) (area)^2 4. If lamp has flux of 1500 lumens what is MSCP A) 120 B) 150 C) 170 D) 100 5. Sodium Vapour Lamp gives ………………… coloured light A) White B) Pink C) Yellow D) Blue 6. Mercury Vapour lamp having life approximately A) 5000hrs B) 200hrs C) 1000hrs D) 500hrs 7. ……………… are not properties of filament material of incandescent lamp A) High Resistivity B) Low Vapour pressure C) low melting point D) high mechanical strength 8. Lamp selection for advertising A) I...