Podcast
Questions and Answers
What is a characteristic of a long-life lamp?
What is a characteristic of a long-life lamp?
- Used to promote reduced energy consumption and prolonged life (correct)
- Designed for increased energy consumption
- It requires frequent replacement
- Meant for a shorter lifespan than conventional lamps
A parabolic aluminized reflector is usually made of:
A parabolic aluminized reflector is usually made of:
- Plastic
- Rubber
- Glass (correct)
- Cast iron
What do halogen lamps contain that vaporizes and redeposits particles upon heating?
What do halogen lamps contain that vaporizes and redeposits particles upon heating?
- Silver
- Tungsten
- Mercury
- Halogen (correct)
What is the purpose of an elliptical reflector bulb for incandescent lamps?
What is the purpose of an elliptical reflector bulb for incandescent lamps?
In what type of lamp is a hemispherical reflective silver bowl used?
In what type of lamp is a hemispherical reflective silver bowl used?
What is a characteristic of a quartz lamp?
What is a characteristic of a quartz lamp?
What type of lamp is designed to improve efficiency and reduce heat in emitted light?
What type of lamp is designed to improve efficiency and reduce heat in emitted light?
Which lamp type typically has a higher desired clean spread in the infrared region?
Which lamp type typically has a higher desired clean spread in the infrared region?
What is a measure of the effectiveness with which a lamp converts electric power into luminous flux?
What is a measure of the effectiveness with which a lamp converts electric power into luminous flux?
Which type of bulb is best suited for low-wattage, decorative incandescent lamps?
Which type of bulb is best suited for low-wattage, decorative incandescent lamps?
What is a lamp in which light is produced by the discharge of electricity between electrodes in a gas-filled enclosure?
What is a lamp in which light is produced by the discharge of electricity between electrodes in a gas-filled enclosure?
What is a device used for limiting the current through or the starting voltage of a high-intensity discharge (HID) lamp?
What is a device used for limiting the current through or the starting voltage of a high-intensity discharge (HID) lamp?
What is the unit of length used to express the wavelengths of radiation?
What is the unit of length used to express the wavelengths of radiation?
What is the term for the range of wavelengths of light that the human eye can perceive?
What is the term for the range of wavelengths of light that the human eye can perceive?
What type of lamp is known for its high efficiency and long lifespan?
What type of lamp is known for its high efficiency and long lifespan?
What is the purpose of reflectors in lighting?
What is the purpose of reflectors in lighting?
What is a characteristic of incandescent lamps?
What is a characteristic of incandescent lamps?
What is the term for the type of radiation having wavelengths from about 370 nm?
What is the term for the type of radiation having wavelengths from about 370 nm?