Question
Download Solution PDF_____ lamps are used to light up sports stadiums.
This question was previously asked in
SSC JE EE Previous Year Paper 15 (Held On: 26 Sep 2019 Evening)
Answer (Detailed Solution Below)
Option 4 : Sodium vapor lamps
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RRB JE CBT I Full Test - 23
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Download Solution PDF- Sodium vapor lamps are also commonly used for sporting events, as they have a very high lumen to watt ratio typically of 80–140 lumens/watt.
- This making them a cost-effective choice when certain lux levels must be provided.
- High-pressure sodium lamps also are known as HPS Lamps or HPS lights are widely used in industrial lighting and many public outdoor areas.
- They are commonly used in public parking lots, roadways, and other security areas.
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