Lightings_3

Type of electric discharge lamp in which the radiation produces the light. Radiation is from an excited mixture of a metallic vapor (mercury) and the products of the dissociation of halides.

• Large lamp

• Metal Halide Lamp

• Mercury lamp

• High pressured sodium lamps

What kind of an electric discharge lamp in which the excitation of mercury atoms produces the major portion of then radiation?

• Large lamp

• Mercury lamp

• Metal Halide Lamp

• High pressured sodium lamps

Metal halide lamp Light is generated by creating an arc between the two electrodes located inside the inner arc tube. The inner arc tube is typically made of____.

• tungsten

• silica

• Quartz

• glass

What is the meaning of T12 in a fluorescent lamp code F 42 T12 CW?

• Bulb color

• Bulb design 

• Bulb diameter

• Bulb length

In fluorescent lamp code, what is the meaning of CW?

• Cathode white

• Cast white  

• Cool white

• Creepy white

What is the diameter of F 42 T8 WW fluorescent lamp?

• ½ inch

• ¾ inch

• 1 inch

• 1 ½ inch

How to determine if the lamp is slow or intermittent starting

• There is a proper wiring installation of the circuit.

• There is an active starter install in a circuit.

• There is a loose contact between the lamp and holder.

• There is a leak in a lamp tube.

It is part of the metal halide lamp that is made up of Ultraviolet absorbing high-temperature glass.

• Outer Jacket

• Frame

• Bimetal Switch

• Getter

Answer explanation

. It is a wiring diagram using standard electrical symbols for wiring devices. It is a representation of the elements of a system using abstract and graphic symbols rather than realistic pictures.

• Pictorial Diagram

• Wiring Diagram

• Schematic Diagram

• Line Diagram

It is a presentation of electrical connections of wiring devices using a single line and with slashes indicating the number of conductors in a line.

• Pictorial Diagram

• Wiring Diagram

• Schematic Diagram

• Line Diagram