CRCST Practice Exam 2025 – Complete Study Resource

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What is the heat transfer process used to heat items in steam sterilization called?

Conduction

Convection

In the context of steam sterilization, convection is the primary heat transfer process utilized to heat the items being sterilized. Steam works by transferring heat through the movement of fluid particles, which in this case, are steam molecules that circulate around the items in the sterilization chamber.

As steam fills the chamber, it creates an even distribution of heat, ensuring that the surfaces of the items being sterilized reach the necessary temperature to effectively kill microorganisms. The movement of hot steam is crucial because it facilitates the penetration of heat into the items, which is essential for thorough sterilization.

This mode of heat transfer is particularly effective because it allows for rapid heating and ensures uniform temperature distribution, which are vital components for achieving successful sterilization outcomes.

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Radiation

Evaporation

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