Fluorescent lamps - Study guides, Class notes & Summaries

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 ___...

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...

2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+) What sequence of latent print development techniques are used to develop prints from porous materials? Ans- DFO, Ninhydrin, Physical Developer The final purple coloured compound usually produced with the treatment of Ninhydrin Ans- Ruhemann's Purple What latent print development technique is used to process nonporous material that are wet? Ans- Small Particle Reagant A dye whi...

NCCER ELECTRICAL LEVEL 2 MODULE 3 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED NEC requirements must be adhered to when installing incandescent recessed lighting fixtures because they - CORRECT ANSWER are a fire hazard if installed incorrectly which of the following will shorten the life of a filament in an incandescent lamp? - CORRECT ANSWER operating at warmer temperature chandeliers are a type of - CORRECT ANSWER suspended lighting fixture when white light is pa...

What are the four ways maintenance can be categorized? correct answers Custodial, Corrective, Preventative, & Deferred Why is it usually easier to develop an equipment maintenance schedule for a new property than an older one? correct answers A new property has a complete set of manuals All property personnel and tenants should be drilled routinely on how to summon the fire department and evacuate the building. (T/F) correct answers True What is the most effective way to control pests? ...

BUILDING UTILITIES REFRESHER EXAM QUESTIONS WITH 100% CORRECT ANSWERS 2024 Situation 1: Given a Residence housing a family compose of a Couple, their 2 Teenage Kids and 2 House Helpers 1. What is the size of the Supply Pipe from Distributing Main to Primary Branch? a. 75mm b. 50mm c. 100mm d. 65mm b. 50mm Situation 1: 2. What is the minimum size of T&B for this family a. 1.20sqm b. 1.50sqm c. 1.80sqm d. 2.00sqm a. 1.20sqm (Small side: 0.9 m) Situation 1: 3. Which is NOT instal...

candela is equal to ______ lumens - 12.57 corridor lighting levels should provide at least______ of the luminance of adjacent areas - 20% detects movement (switch level occupancy detector - slod entrance elevator, escalator lobbies, corridors and stairways. usually lighted continuous or for long periods of time. usually ceiling and wall mounted fixtures - public areas lighting on a work surface or object that is not predominantly incident from any particular direction - diffused lighting ...

NCIDQ IDPX & PRAC questions with correct answers 2023 life cycle cost analysis - correct answer determines cost of a building component; accounts for initial cost, financing, operation, maintenance, disposal, & residual value. HID and fluorescent - correct answer two light sources that require the use of a ballast low voltage lamps - correct answer can include incandescent, halogen, and LED lamps that are designed to operate at a reduced voltage; provide better beam control than a standar...

How should ammeters be used to take measurements in a circuit - Answer-Connected in series with the circuit What will happen to the current in a circuit if the resistance is doubled - Answer-Current will be halved How do you measure voltage in a circuit - Answer-Meter must be parallel with volt being measured What is the outermost shell of an atom called - Answer-Valence shell The Nucleus of an atom contains what - Answer-Neutrons and protons Whats the E symbol represent in ohms law - Answ...

NEC requirements must be adhered to when installing incandescent recessed lighting fixtures because they are a fire hazard if installed incorrectly which of the following will shorten the life of a filament in an incandescent lamp? operating at warmer temperature chandeliers are a type of suspended lighting fixture when white light is passed through a prism, how many total colors are visible 6 Compared to standard incandescent lamps, which of the following provides longer life and improved l...