NALMCO CERTIFIED APP RENTICE
LIGHTING TECHNICIAN (CALT) STUDY
GUIDE | 120 QUESTIONS WITH 100%
CORRECT ANSWERS | VE RIFIED |
LATEST UPDATE | 32 PAGES
Question :1-1
Light output is measured in ...?
a) Footcandles
b) Lumens
c) Watts
d) Electrons
Correct answer: b) Lumens
Question :1-2
Rated lamp life is the time when ...?
a) Lamps reach 20,000 hours of operation
- 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 answer: b) 1/2 of a large group of lamps are expected
to have failed
Question :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?
- 0-100, with 0 being worst and 100 being best
- 0-75, with 0 being worst and 75 being best
- 0-100, with 100 being worst and 0 being best
- 0-75, with 75 being worst and 0 being best
Correct answer: a) 0-100, with 0 being worst and 100 being
best
Question :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
Correct answer: c) Ballast records energy consumption on an
LCD display
Question :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
Correct answer: d) The current
Question :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
Correct answer: b) Electroluminescent
Question :1-7
The amount of electric power a lighting system draws is measured in ...?
a) Watts
b) Ohms
c) Amps
d) Volts
Correct answer: a) Watts
Question :1-8
A lighting system's efficacy is measured in ...?
a) Lumens/Watt
b) Amps/Volt
c) Lumens/kWh
- $/kWh
Correct answer: a) Lumens/Watt
Question :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?
Correct answer: d) What is its noise rating?
Question :1-10
____ describes the gradual decline in a lamp's light output as it ages.