It is not preferable to use superheated steam in evaporators, because of its very

ANS:C - low film co-efficient

It is not preferable to use superheated steam in evaporators because of its: b) high pressure Superheated steam possesses a high pressure due to its elevated temperature. This high pressure can pose safety concerns and may require specialized equipment and handling procedures, making it less preferable for use in evaporators compared to saturated steam.