Freezing problems in steam coils with long tube lengths, handling a large amount of low temperature outside air
a) are minimized by using preheat coils controlled by an outdoor temperature controller
b) are minimized by using modulating control valves to control the steam heating coil output
c) are best minimized by using a two-position control valve to control coil output
d) are minimized by using an oversized coil
e) are minimized by using an oversized control valve
Answer: A