Page 1 of 49
NALMCO Certified Apprentice Lighting Technician
(CALT) EXAM COMPLETE 200 QUESTIONS AND VERIFIED
SOLUTIONS LATEST UPDATE THIS YEAR
QUESTION: 1-1
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) 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
QUESTION: 1-2
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
, Page 2 of 49
coming out of the lamp - ANSWER-c) Ballast records energy consumption on an LCD display
1-3
Light output is measured in ...?
a) Footcandles
b) Lumens
c) Watts
d) Electrons - ANSWER-b) Lumens
QUESTION: 1-4
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
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 ...?
, Page 3 of 49
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
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 - 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 - ANSWER-a) Watts
, Page 4 of 49
QUESTION: 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
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? - ANSWER-d) What is its noise rating?
QUESTION: 1-10
____ describes the gradual decline in a lamp's light output as it ages.
a) Light efficacy
NALMCO Certified Apprentice Lighting Technician
(CALT) EXAM COMPLETE 200 QUESTIONS AND VERIFIED
SOLUTIONS LATEST UPDATE THIS YEAR
QUESTION: 1-1
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) 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
QUESTION: 1-2
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
, Page 2 of 49
coming out of the lamp - ANSWER-c) Ballast records energy consumption on an LCD display
1-3
Light output is measured in ...?
a) Footcandles
b) Lumens
c) Watts
d) Electrons - ANSWER-b) Lumens
QUESTION: 1-4
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
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 ...?
, Page 3 of 49
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
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 - 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 - ANSWER-a) Watts
, Page 4 of 49
QUESTION: 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
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? - ANSWER-d) What is its noise rating?
QUESTION: 1-10
____ describes the gradual decline in a lamp's light output as it ages.
a) Light efficacy
