A control valve has to control the inlet flow of cooling water to a cooling jacket on an exothermic
chemical reactor. We should select
A. Air-to-close valve
B. Air-to-open valve
Show Answer
Answer: A
A control valve has to control the inlet flow of cooling water to a cooling jacket on an exothermic
chemical reactor. We should select
A. Air-to-close valve
B. Air-to-open valve
Answer: A