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ASIS-PSP Exam - Topic 1 Question 8 Discussion

Actual exam question for ASIS's ASIS-PSP exam
Question #: 8
Topic #: 1
[All ASIS-PSP Questions]

Which of the following lamp types emits an almost monochromatic yellow light and provides the poorest color rendition for a CCTV camera?

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Suggested Answer: A

by Vallie at Aug 02, 2025, 02:21 PM

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Jackie
2 months ago
I agree, low-pressure sodium is the worst for color!
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Gail
2 months ago
A is correct, it’s super yellow and not great for cameras.
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Princess
3 months ago
Wait, are we sure about that? Seems a bit off.
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Lanie
3 months ago
I thought incandescent was worse for color rendition?
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Daron
3 months ago
Definitely A, low-pressure sodium is known for that.
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Mauricio
3 months ago
I feel like I’ve seen a similar question before, and low-pressure sodium was definitely the answer. It’s almost monochromatic, right?
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India
4 months ago
I’m a bit confused; I thought incandescent lights were also poor for color rendition. Did we cover that in class?
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Amina
4 months ago
I remember studying color rendition and how low-pressure sodium is often mentioned as having poor performance. I think that’s the one.
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Johnson
4 months ago
I think the answer might be low-pressure sodium since it’s known for that yellow light, but I’m not completely sure.
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Valentin
4 months ago
Ugh, I'm really struggling with this one. Lamp types and their properties are not my strong suit. I'm going to have to guess on this one and hope for the best.
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Pearly
4 months ago
Okay, let me see. I know incandescent and fluorescent lamps have better color rendition, so those are probably not the answer. Metal halide lamps have a broader spectrum, so that leaves low-pressure sodium as the most likely choice. I'll go with that.
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Kenneth
5 months ago
Hmm, I'm a bit unsure about this one. I know low-pressure sodium lamps emit a very narrow spectrum of light, but I can't quite remember how that affects color rendition. I'll have to think this through carefully.
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Clay
5 months ago
This one seems pretty straightforward. I'm pretty confident the answer is low-pressure sodium lamps since they emit a monochromatic yellow light that would provide poor color rendition for a CCTV camera.
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Anastacia
5 months ago
D) Metal halide emits white light, not yellow.
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Harrison
5 months ago
I think Low-pressure sodium provides poor color rendition for CCTV.
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Candida
6 months ago
Low-pressure sodium lamps definitely emit a monochromatic yellow light. I remember learning about that in my lighting design course.
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Yvonne
5 months ago
Low-pressure sodium lamps are definitely the ones that emit that yellow light.
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Tamie
7 months ago
A) Low-pressure sodium emits yellow light.
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