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ALA Associate Lesson 2 Exam Questions & Answers 2024/2025 $7.99   Add to cart

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ALA Associate Lesson 2 Exam Questions & Answers 2024/2025

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ALA Associate Lesson 2 Exam Questions & Answers 2024/2025 4 primary light sources - ANSWERS-incandescent/ incandescent halogen -fluorescent/ compact fluorescent -LED (light emitting diodes) -HID (high intensity discharge) 4x or more efficient than incandescent and halogen - ANSWERSCFL (...

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  • August 16, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • ALA Associate Lesson 2
  • ALA Associate Lesson 2
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ALA Associate Lesson 2 Exam
Questions & Answers 2024/2025

4 primary light sources - ANSWERS-incandescent/ incandescent halogen

-fluorescent/ compact fluorescent

-LED (light emitting diodes)

-HID (high intensity discharge)



4x or more efficient than incandescent and halogen - ANSWERSCFL (Compact Fluorescent)



expected to become the major light source of residential fixtures in the next 5 years - ANSWERSLED



lumen - ANSWERSmeasure of light output



watts - ANSWERSmeasure of energy used



efficacy - ANSWERSlumens/watt. measures efficiency of a light source



Efficacy of Incandescent - ANSWERS10-20 lpw



Efficacy of Fluorescent - ANSWERS60-100+ lpw



Efficacy of HID - ANSWERS50-120+ lpw



Efficacy of LED - ANSWERS40-100+ lpw



High Efficacy - ANSWERS50+ lpw

, Candle Power - ANSWERSdescribes light distribution of directional sources



footcandle - ANSWERSmeasure of light falling on a surface



foot candles recommended for visual activities - ANSWERS30-50 footcandles



CCT (correlated color temperature) - ANSWERSmeasures how warm or cool a light source appears



Warm Color Temperature - ANSWERS2800k



Cool Color Temperature - ANSWERS4100k



neutral color temperature - ANSWERS3500k



CRI (Color Rendering Index) - ANSWERSMeasures how a color will appear in a space



never sell light source under ____ CRI - ANSWERS70



most commonly used bulb shape - ANSWERSA19



most common bulb bases - ANSWERSmedium and candelabra



Energy Independence and security act 2007 - ANSWERSmandated updates to the efficiency of A19 lamps



federal trade commission lighting facts label - ANSWERSall new medium screw base bulbs must include



finish for bulbs most often sold in showrooms - ANSWERSfrosted and clear

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