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Exam PSP topic 1 question 6 discussion

Actual exam question from ASIS's PSP
Question #: 6
Topic #: 1
[All PSP Questions]

A type of outdoor lamp that passes electricity through a gas enclosed in a glass tube to produce 40 to 80 lumens per watt of light is known as a/an:

  • A. incandescent lamp.
  • B. metal-halide lamp.
  • C. halogen lamp.
  • D. fluorescent lamp.
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Suggested Answer: B 🗳️

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lin12345678
5 months, 2 weeks ago
Selected Answer: D
Gas enclosed in a glass tube is for fluorescent lamp, but it is not the outdoor application. Outdoor application is for metal halide lamp
upvoted 2 times
d7703
5 months, 2 weeks ago
Agree that answer should be fluorescent lamp. But they do have limited outdoor usage (e.g. tunnels, underpasses and some signs)
upvoted 1 times
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