Hid and fluorescent - Study guides, Class notes & Summaries

NCIDQ IDPX & PRAC, Questions and answers, rated A+ life cycle cost analysis determines cost of a building component; accounts for initial cost, financing, operation, maintenance, disposal, & residual value. HID and fluorescent two light sources that require the use of a ballast low voltage lamps 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...

BUILDING UTILITIES COMPRE EXAM QUESTIONS WITH 100% CORRECT ANSWERS 2024 "Is a physical wave, a mechanical vibration, a series of pressure variations, in an elastic medium " - answerSound A healthy pair of human ear has a detection range of. - answer20 to 20000 HZ Sound travels in air, at sea level, in ____ m/sec. - answer344 m/ sec. "The number of times the cycle of compression and rarefaction of air makes in a given unit of time. " - answerFrequency "Is the persistence of sound a...

What type of lighting fixture would you specify if you wanted the longest lamp life? - CORRECT ANSWER-Mercury Vapor What type of lighting fixture would you specify if you wanted the best overall combination of cost, efficiency, color rendition, and life? - CORRECT ANSWER-Fluorescent What term is used as a measure of light energy? - CORRECT ANSWER-Lumen What feature is performed by a lighting ballast? - CORRECT ANSWER-All of these are true: Provide a high voltage to start the arc Provide...

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...

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...

Electrical journeyman Exam Questions And Answers 100% Verified What does FLC stand for - answerFull load current An electrical device that consists of a frame a plunger and uses an up and down motion to operate - answerSolenoid 240 volt to ground, 200 amp panel in condition 3 needs a minimum front clearance of how many feet - answer4 What is the minimum clearance in front of a service panel - answer3 feet The width of a 120/240 volt panel working area shall be a minimum of how many feet ...

Electrical Wiring Module 3 Questions With Verified Answers. Optic nerve - answercarries light to neural impulses from the eye to the brain light energy that is not absorbed by and object can be - answerboth reflected from and transmitted through the object when all the wavelengths of the light spectrum are presented to the eye in nearly equal proportions, the color or the light is - answerwhite the resistance of a tungsten filament is - answermuch higher when the lamp is turned on the fi...

Nccer electrical level 2 module 3NEC 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...

The National Electrical Code not intended as ________. - Answers design specification or as an instrucion manual The provisions of the national electrical code are considered necessary for ________. - Answers safety What is not covered within the scope of the national electrical code? - Answers installation in underground mines Which chapter of the national electrical code covers communications systems? - Answers chapter 8 The informational annexes of the national electrical code are...

NALMCO Certified Apprentice Lighting Technician (CALT) Study Guide 1-1 Light output is measured in ...? a) Footcandles b) Lumens c) Watts d) Electrons - Correct Answersb) Lumens 1-2 Rated lamp life is the time when ...? a) Lamps reach 20,000 hours of operation b) 1/2 of a large group of lamps are expected to have failed c) All lamps are expected to fail d) It's the best time to group relamp - Correct Answersb) 1/2 of a large group of lamps are expected to have failed 1-3 T...