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CIPS L4M7 Exam - Topic 10 Question 74 Discussion

Do all types of warehouses require access to daylight to reduce the cost of electricity?
B) No, because some types of stock are sensitive to sunlight
A) No, because only ventilation can help to reduce the humidity in the warehouse
C) Yes, because sunlight sterilises inventories in damp conditions
D) Yes, because organisation's need for artificial lighting and heating will reduce

CIPS L4M7 Exam - Topic 10 Question 74 Discussion

Actual exam question for CIPS's L4M7 exam
Question #: 74
Topic #: 10
[All L4M7 Questions]

Do all types of warehouses require access to daylight to reduce the cost of electricity?

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Suggested Answer: B

The design of a building should consider the advantages of natural light as this can reduce the cost of artificial lighting and improve the environmental performance of the building. Daylight entering the building can also help reduce heating costs. Unfortunately some stocks react badly to direct sunlight, and some stock reacts badly to extreme of temperature or may require a specific temperature for storage. Some stock may require a warmer temperature than the ambient temperature and other stocks may require cooler temperature. For example, fabric and garment are sensitive to direct sunlight as ultraviolet light catalyses a reaction between the water present in all fabrics and atmospheric oxygen to create hydrogen peroxide. This is a bleaching agent and breaks down the chemical bonds that give dyes their colour.


LO 1, AC 1.1

by Denae at May 27, 2026, 10:37 PM

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Luis
4 days ago
A is a bit off. Ventilation alone won't solve humidity issues.
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Lili
9 days ago
D is valid. Less artificial light means lower costs.
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Tiffiny
14 days ago
But C is interesting too. Sunlight can help with dampness.
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Caitlin
19 days ago
I agree, B makes sense. Sunlight can damage stock.
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Glenn
25 days ago
I think B is a strong point. Some goods can't be in sunlight.
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Reuben
30 days ago
Not sure if all warehouses need daylight, seems too general.
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Cherelle
1 month ago
D) Yes, less artificial light means lower costs!
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Dorothy
1 month ago
C) Wait, sunlight sterilizes? That's new to me!
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Carma
2 months ago
B) Totally agree, some items can't handle sunlight.
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Tatum
2 months ago
A) makes sense, ventilation is key!
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France
2 months ago
I vaguely recall that sunlight can help with sterilization, but I’m not convinced it’s the main reason for needing daylight in warehouses. C seems a bit off to me.
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Nobuko
2 months ago
I'm not entirely sure, but I feel like the answer might depend on the type of inventory stored. I could see B being correct, but D also has some merit.
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Justine
2 months ago
I think I saw a practice question that mentioned the benefits of natural light for reducing energy costs, which makes me think D could be a valid point.
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Melda
2 months ago
I remember discussing how some warehouses, especially those storing sensitive goods, might actually need to limit sunlight exposure. So, I'm leaning towards B.
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