Heat Transfer
Baffle spacing

Is not the same as baffle pitch
Should be less than the inside diameter of the shell
None of these
Should be less than one fifth the diameter of the shell

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Heat Transfer
Water always boils when its

Saturated vapour pressure equals the external pressure on its surface
Saturated vapour pressure is less than the atmospheric pressure
Vapour pressure equals 76 cm of Hg
Temperature reaches 100° C

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