Nalmco Certified Apprentice Lighting Technician (Calt) Study Guide | 120 Questions With 100% Correct Answers | Verified | Latest Update 2024 | 32 Pages

4-13 A BT56 lamp is ______________ in shape. a) Tubular b) Bulbous tubular c) Reflector d) Ellipsoidal {Ans: b) Bulbous tubular}4-4 Which of the following HID lamps has the best color rendering ability? a) Standard HPS b) MV c) LPS d) MH {Ans: d) MH}5-4 Select the two basic types of LEDs: a) Indicator-type b) Electronic-type c) Illuminator-type d) Radiant heat-type {Ans: a) Indicator-type and c) Illuminator-type}5-9 Management of heat in LED luminaires is important because: a) LED luminaires generate more heat than conventional light sources b) Heat management is not an issue because LED luminaires do not generate heat c) Solid state and electronic components are susceptible to reduced life as a result of uncontrolled heat d) The consumer is becoming more aware of global warming {Ans: c) Solid state and electronic components are susceptible to reduced life as a result of uncontrolled heat}3-18 A Class P ballasts is one which contains ...? a) A beeper to call you when there's a problem b) A thermal protection device that shuts down the ballast if it overheats c) A device that allows the ballast to start lamps at cold temperatures d) None of the above