the color rendering index is a scale that describe
which of the following is not a typi
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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
1-1
Light output is measured in ...?
a) Footcandles
b) Lumens
c) Watts
d) Electrons Answer - b) 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 Answer - b) 1/2 of a large group of lamps
are expected to have failed
1-3
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) 0-100, with 0 being worst and 100 being best
,b) 0-75, with 0 being worst and 75 being best
c) 0-100, with 100 being worst and 0 being best
d) 0-75, with 75 being worst and 0 being best Answer - a) 0-100, with 0 being
worst and 100 being best
1-4
Which of the following is NOT a typical function of a lighting system?
a) Ballast starts and operates the lamp
b) Lamp produces light
c) Ballast records energy consumption on an LCD display
d) Luminaire controls the direction and intensity of the light
coming out of the lamp Answer - c) Ballast records energy consumption on an
LCD display
1-5
Voltage is the "push" of electricity, which reaches resistance, and the resulting
rate of flow of electric power down the line is called ...?
a) Ballast starts and operates the lamp
b) Lamp produces light
c) Ballast records energy consumption on an LCD display
d) Luminaire controls the direction and intensity of the light
coming out of the lamp Answer - d) The current
1-6
Which of the following is NOT one of the major families of lighting?
a) Incandescent/Halogen
b) Electroluminescent
, c) High-intensity discharge
d) Fluorescent Answer - b) Electroluminescent
1-7
The amount of electric power a lighting system draws is measured in ...?
a) Watts
b) Ohms
c) Amps
d) Volts Answer - a) Watts
1-8
A lighting system's efficacy is measured in ...?
a) Lumens/Watt
b) Amps/Volt
c) Lumens/kWh
d) $/kWh Answer - a) Lumens/Watt
1-9
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?
1-10
____ describes the gradual decline in a lamp's light output as it ages.
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