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Chemical Engineering Basics - Engineering

Q1:

With increase in pressure, the latent heat of steam

A increases.

B decreases.

C remains unchanged.

D data insufficient; can't be predicted.

ANS:B - decreases.

With an increase in pressure, the latent heat of steam generally decreases. This phenomenon is a result of the increased energy required to maintain the vapor phase as pressure rises. Therefore, the heat needed to convert water into steam decreases as pressure increases, leading to a decrease in latent heat.