ARC Study Guide Exam 2 Questions & Answers 2024/2025

ARC Study Guide Exam 2 Questions & Answers 2024/2025 Lighting history - ANSWERS Foot candle - ANSWERSone lumen of luminous flux spread uniformly over an area of 1 ft^2 produces an illumination of 1 foot-candle. foot-candle= lumens/ft^2 types of light bulbs - ANSWERSA - arbitrary (standard incandescent) B- Bulged bulb C- candle F- flame G- globe P- pear PS- pear straight R-reflector T- Tubular Nomenclature- ex: F40T8 - ANSWERSmeans name- ex: F40T8- F is fluorescent, 40 is the watts, Tis tubular, and 8th is the dynamiter of the tube candlepower - ANSWERSthe unit of luminous intensity of a light source. SI unit is called candela- the ability of a light source to produce illumination Lumen - ANSWERSa quantitive unit for measuring the flow of light energy, which is luminous flux. color rendition - ANSWERSeffect of a light on the objects apparent color