CALT Lighting Technician Certification: Chapter Quizzes, Exams of Advanced Education

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NALMCO CERTIFIED

APPRENTICE LIGHTING

TECHNICIAN (CALT) STUDY

GUIDE CHAPTER QUIZES

FROM THE LIGHTEN UP (4TH

EDITION) TEXTBOOK

NALMCO

Evatee 8/25/24 NALMCO

NALMCO CERTIFIED APPRENTICE LIGHTING TECHNICIAN (CALT) STUDY GUIDE CHAPTER QUIZES FROM THE LIGHTEN UP (4TH EDITION) TEXTBOOK 1- Light output is measured in ...? a) Footcandles b) Lumens c) Watts d) Electrons Answer - b) Lumens 1- 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 Answer - b) 1/2 of a large group of lamps are expected to have failed 1- The Color Rendering Index is a scale that describes how accurately colors look when struck by the light from a given lamp. How is the scale defined?

a) Incandescent/Halogen b) Electroluminescent c) High-intensity discharge d) Fluorescent Answer - b) Electroluminescent 1- The amount of electric power a lighting system draws is measured in ...? a) Watts b) Ohms c) Amps d) Volts Answer - a) Watts 1- A lighting system's efficacy is measured in ...? a) Lumens/Watt b) Amps/Volt c) Lumens/kWh d) $/kWh Answer - a) Lumens/Watt 1- Which is NOT one of the most important questions we typically need to ask to be able to understand and compare one lamp to another? a) How long does the lamp last? b) How much light does it produce? c) How much electricity does it require? d) What is its noise rating? Answer - d) What is its noise rating?

____ describes the gradual decline in a lamp's light output as it ages. a) Light efficacy b) Lamp consolidation c) Lumen depreciation d) Hours per start degradation Answer - c) Lumen depreciation 1- A lamp with a very low color temperature is considered ...? a) Warm light source (reddish) b) Neutral light source (white) c) Cool light source (bluish) d) Energy-efficient Answer - a) Warm light source (reddish) 1- A lamp's color rendering ability describes how well it can relatively ...? a) Prevent color shifting over time b) Raise color temperature over time c) Show colors accurately d) Produce light per unit of consumed energy Answer - c) Show colors accurately 1- If a lamp is rated at 20,000 hours at three hours per start, this is the lamp life if the lamp is ...?

c) 750-1000 ; 1500- d) 800-2000 ; 2000-4500 Answer - c) 750-1000 ; 1500- 2- Rough service lamps are resistant to ...? a) Color shift b) Line voltage variations c) Shock and vibration d) Wide range of ambient temperatures Answer - c) Shock and vibration 2- Clear incandescent lamps are a ...? a) Point source b) Linear source Answer - a) Point source 2- Which of the following is NOT an advantage of incandescent lamps? a) No ballast required b) Lowest initial cost c) High energy efficiency compared to fluorescent d) Easy to dim Answer - c) High energy efficiency compared to fluorescent 2- If we have an incandescent lamp with the designation 65BR30, what is its wattage?

a) 30W b) 65W c) R class d) 3-2/3 Answer - b) 65W 2- MOL stands for ...? a) Maximum overall light b) Maximum overall length c) Minimum overall light d) Minimum overall length Answer - b) Maximum overall length 2- Which of the following is NOT an advantage of halogen lamps? a) Uses a line-voltage ballast b) High efficiency c) Crisp, white light d) Compact size Answer - a) Uses a line-voltage ballast 2- A PAR lamp is an example of which, most specifically, of the following? a) Rough service lamp b) Capsule lamp c) Double-ended linear lamp d) Reflectorized lamp Answer - d) Reflectorized lamp

visible light. What substance on the bulb converts UV energy into visible light? a) Fluorescence b) Halogen gas c) Phosphor d) Mercury Answer - c) Phosphor 3- Which of the following is not a fluorescent lamp type? a) Preheat b) Metal halide c) Rapid start d) Instant start Answer - b) Metal halide 3- What do rapid start lamps need to operate? a) A ballast b) A starter c) An ignitor d) A key Answer - a) A ballast 3- Which of the following is not an advantage of a fluorescent lamp? a) Flexibility b) High efficiency compared to incandescent c) Fast starting

d) Lamps can last beyond 90,000 hours. Answer - d) Lamps can last beyond 90,000 hours. 3- On a parallel circuit, if one lamp goes out, the other lamp will ...? a) Fail to light b) Continue to operate normally c) Light only dimly d) Experience severe end blackening Answer - b) Continue to operate normally 3- What is the diameter of a T8 lamp? a) 0.5 inches b) 5/8 inches c) 1 inch d) 1.5 inches Answer - c) 1 inch 3- An instant start F96T12 lamp is how many inches long? a) 9 b) 12 c) 96 d) 48 Answer - c) 96 3- In a lamp code, "T" means the lamp is ...?

Some compact fluorescent lamps have bi-pin or 4-pin bases, and others have screw-in bases. Which of the following do we know to be true about CFLs with screw-in bases? a) They have a warm color temperature b) They are shatter-proof c) They are preheat lamps d) They are self-ballasted Answer - d) They are self-ballasted 3- A ballast is required for all lighting systems except ...? a) Fluorescent b) Metal halide c) Incandescent and halogen d) CFLs Answer - c) Incandescent and halogen 3- Which of the following does a ballast do? a) Start the lamp b) Control the current c) (a) and (b) d) None of the above Answer - c) Both (a) Start the lamp and (b) Control the current 3- Which of the following is not a fluorescent ballast type?

a) Preheat b) Rapid start c) Instant start d) High pressure sodium Answer - d) High pressure sodium 3- Trigger start ballasts, which operate like rapid start ballasts, were designed to operate ...? a) Rapid start lamps b) Instant start lamps c) Preheat lamps d) Slimline lamps Answer - c) Preheat lamps 3- A Class P ballasts is one which contains ...? a) A beeper to call you when there's a problem b) A thermal protection device that shuts down the ballast if it overheats c) A device that allows the ballast to start lamps at cold temperatures d) None of the above Answer - b) A thermal protection device that shuts down the ballast if it overheats. 3- Electronic ballasts offer which benefit? a) Less flicker b) Greater efficiency c) Quieter operation

a) Medium bi-pin b) Mogul c) Edison d) None Answer - d) None 3- Where might induction luminaries be appropriate? a) Tight spaces b) Hard-to-access locations c) Stadium lighting d) Accent lighting Answer - b) Hard-to-access locations 4- What do HPS, all pulse-start MH lamps, low-wattage MH lamps need to start? a) A key b) Parallel circuit c) Starter or ignitor d) Two ballasts Answer - c) Starter or ignitor 4- Which of the following lamp types does not belong in the HID family? a) Metal halide b) High-pressure sodium c) Halogen d) Mercury Vapor Answer - c) Halogen

Which of the following is NOT a typical application for HID lamps? a) Offices b) Parking lots c) Factories d) Street lights Answer - a) Offices 4- Which of the following HID lamps has the best color rendering ability? a) Standard HPS b) MV c) LPS d) MH Answer - d) MH 4- Which of the following HID lamps is the most efficient? a) HPS b) MV c) MH d) LPS Answer - d) LPS 4- If you light an object using an LPS lamp, what color will the object appear? a) Gray, black or yellow b) Reddish-yellow

If an HID lamp bulb is phosphor-coated, the lamp generally has better ____ than clear lamp bulbs. a) Color qualities b) Efficiencies c) Service life d) Voltage ratings Answer - a) Color qualities 4- Due to their high light output and compact sizes, HID lamps are ideal for lighting ____ spaces. a) Small b) Restricted c) Large d) Office Answer - c) Large 4- If a pulse-start MH lamp experiences a momentary power interruption, when the power returns, it takes 3-4 ____ to re- strike and begin the warm-up process because the arc tube must ____ before the lamp can restart. a) Seconds ; heat sufficiently b) Minutes ; heat sufficiently c) Seconds; cool down d) Minutes ; cool down Answer - d) Minutes ; cool down 4- A BT56 lamp is ______________ in shape. a) Tubular b) Bulbous tubular

c) Reflector d) Ellipsoidal Answer - b) Bulbous tubular 4- A BT56 lamp is _____________ in diameter. a) 56 inches b) 5.6 inches c) 8 inches d) 7 inches Answer - d) 7 inches 5- The acronym LED stands for: a) Linear, Energy, Directional b) Lighting Efficiency Demands c) Light Emitting Diode d) Luminaire Efficacy Diagnostics Answer - c) Light Emitting Diode 5- What factors contribute to a LED lighting system's efficiency? Select all that apply: a) LED lighting systems contain no lead b) LED lighting is inherently directional resulting in less wasted light c) Conventional lighting systems cost less to install d) LED lighting systems are solid state electronic systems with highly efficient components Answer - b) LED lighting is inherently directional resulting in less wasted light.