Hid and fluorescent - Study guides, Class notes & Summaries

Light energy that is NOT absorbed by an object can be _____. - correct answer -reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. - correct answer -3,000°K The resistance of a tungsten filament is ______. - correct answer -much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing iodine or _____. - correct answer -bromine gas Durin...

Light energy that is NOT absorbed by an object can be _____. - correct answer -reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. - correct answer -3,000°K The resistance of a tungsten filament is ______. - correct answer -much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing iodine or _____. - correct answer -bromine gas Durin...

life cycle cost analysis - Answer- determines cost of a building component; accounts for initial cost, financing, operation, maintenance, disposal, & residual value. HID and fluorescent - Answer- two light sources that require the use of a ballast low voltage lamps - Answer- can include incandescent, halogen, and LED lamps that are designed to operate at a reduced voltage; provide better beam control than a standard incandescent lamp; not specifically solid-state lighting (LEDs); CAN BE SW...

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 ...

Roadway Lighting : IMSA Combined Exam Tested Questions Reviewed And Revised With Correct Answers Already Passed!! 1. The person working on electrical systems should be _______________. a. a qualified licensed electrician b. anyone who has read NEC c. someone with appropriate experience and training d. a and c - ANSWER d. 2. It is best to never get close than ________ from an overhead power line (under 50kV). a. 5 ft b. 8 ft c. 10 ft d. 1 ft - ANSWER c....

NCCER Electrical Level 2 Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the main purpose of electric lighting? To provide illumination for visibility, safety, and aesthetics. What is the function of a light fixture? To house and support the light source while directing illumination. Why are LED lights considered energy-efficient? They use less power and produce more light with minimal heat. What is a ballast used for in lighting sys...

NCCER ELECTRICAL LEVEL 2 MODULE 3 Intro To Light Energy Questions and Answers Light energy that is NOT absorbed by an object can be _____. - ANS reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. - ANS 3,000°K The resistance of a tungsten filament is ______. - ANS much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing i...

Light energy that is NOT absorbed by an object can be _____. reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. 3,000°K The resistance of a tungsten filament is ______. much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing iodine or _____. bromine gas During operation, a high-output (HO) fluorescent lamp typically has a current draw of ___...

NCIDQ - IDPX Q Practice Test (Questions + Answers) LATEST UPDATE All of the following are true about gypsum wallboard EXCEPT? 1. Synthetic gypsum is chemically identical to natural mined gypsum 2. The main source of synthetic gypsum in North America is flue-gas desulfurization 3. Its manufacture, use, and disposal has an effect on the environment 4. 70% of the industry's total use of gypsum is synthetic gypsum Answer: 4. 70% of the industry's total use of gypsum is synthetic gypsu...

NCIDQ - IDPX Q Practice Test (Questions + Answers) LATEST UPDATE All of the following are true about gypsum wallboard EXCEPT? 1. Synthetic gypsum is chemically identical to natural mined gypsum 2. The main source of synthetic gypsum in North America is flue-gas desulfurization 3. Its manufacture, use, and disposal has an effect on the environment 4. 70% of the industry's total use of gypsum is synthetic gypsum Answer: 4. 70% of the industry's total use of gypsum is synthetic gypsu...