When is a drain-cooler used?
A. when the extracted steam upon condensation gets subcooled
B. when the extracted steam upon subcooling gets condensed
C. the extracted stream has no dependence on drain-cooler
D. none of the mentioned
Answer:A
When is a drain-cooler used?
A. when the extracted steam upon condensation gets subcooled B. when the extracted steam upon subcooling gets condensed C. the extracted stream has no dependence on drain-cooler D. none of the mentioned
Explanation: When extracted steam gets subcooled upon condensation, a drain cooler may be used.