What type of heat exchanger is a heat pipe recovery unit?
a) cross flow, air to water
b) counter flow, water to air
c) parallel flow, air to air
d) counter flow, air to air
e) parallel flow, process to process
Answer: D
What type of heat exchanger is a heat pipe recovery unit?
a) cross flow, air to water
b) counter flow, water to air
c) parallel flow, air to air
d) counter flow, air to air
e) parallel flow, process to process
Answer: D