NALMCO Certified Apprentice Lighting Technician (CALT) Study Guide | 120 Questions with 100% Correct Answers | Verified | Latest Update 2024

1-1 Light output is measured in ...? a) Footcandles b) Lumens c) Watts d) Electrons - 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 - 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 - 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