NALMCO Certified Apprentice Lighting Technician (CALT) Study Guide questions and answers 2023

1-1 Light output is measured in ...? a) Footcandles b) Lumens c) Watts d) Electrons - answerb) 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 - answerb) 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 - answera) 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 - answerc) 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 - answerd) 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 - answerb) Electroluminescent 1-7 The amount of electric power a lighting system draws is measured in ...? a) Watts b) Ohms c) Amps d) Volts - answera) Watts 1-8 A lighting system's efficacy is measured in ...? a) Lumens/Watt b) Amps/Volt c) Lumens/kWh d) $/kWh -