Practice question

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Question

A chocolate mix at 100°C is flowing through a 2 cm diameter and 4 m long stainless steel tube at 13.2 kg per minute. The density of the mix is 1750 kg m ⁻³ and its viscosity at 100°C is 2 Pa s. Take π = 22/7. The pressure drop for this flow will be ________ Pa

Explanation

Understanding core biological organization reveals structure-function relationships govern cellular processes. Therefore Option NAT is correct because it integrates fundamental life science principles, which underpins key processes in general biology. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

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