HID Lamps

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REVIEW 2

 

  1. Name the components of Multi-Vapor lamps on the following diagram.

     

  2. The addition of metal halides to the arc tube of a Multi-Vapor lamp eliminates the need for a lamp ballast.
    improves the light output and colour characteristics.
    improves the light output but at the expense of colour characteristics.

     

  3. In addition to a resistor, a Multi-Vapor lamp uses a bimetallic switch to bypass the starting electrode after the main arc strikes.
    True
    False

     

  4. Compared to a mercury lamp, the light output of a Multi-Vapor lamp is about the same.
    up to twice the lumen output.
 
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