Q. When is the arithmetic mean temperature difference of heat exchanger used instead of LMTD?
a. when the temperature profiles of two fluids of heat exchanger are sloping downward with curve
b. when the temperature profiles of two fluids of heat exchanger are sloping upward with curve
c. when the temperature profiles of two fluids of heat exchanger are straight
d. none of the above
ANSWER: when the temperature profiles of two fluids of heat exchanger are straight
Answer & Explanation
No explanation is available for this question!