While the illustrated system is operated using the steam supply through "F" the strainer in line "4" becomes fouled, this will result in __________. Illustration GS-0053

Correct Answer: Option B — a reduction in distillate production

Fouling of the strainer in the steam supply line restricts the thermal energy input to the feed heater. In a flash evaporator, insufficient heating prevents the feed water from reaching the required flash temperature, directly resulting in a reduction of distillate production due to lower vapor generation rates.