سوال ۸۵ کنکور ارشد مدیریت کسب‌وکار (MBA) ۱۴۰۲ — Passage summary: Pre-treatment cleans the incoming seawater to

Question

Passage summary: Pre-treatment cleans the incoming seawater to protect the membranes used in reverse osmosis. A particle filter first removes wood and suspended solids, after which fine carbon microfilters capture minerals and contaminants, including pesticides. Chlorine is removed because it would reduce membrane life. The membranes later separate dissolved salts from the product water.

Which of the following is true about the pre-treatment stage?

Accepted Answer

Fine carbon microfilters can separate certain specific impurities only.

Answer

The source water used can be the water already used for agricultural purposes.

Answer

The water that goes through a particle filter is devoid of impurities.

Answer

Chlorine is used to protect the membranes used in this stage.