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March 2019

Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube___________________?

Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube___________________?

A. Exit-fluid temperature > wall temperature
B. Exit fluid temperature < wall temperature
C. Exit fluid temperature = wall temperature
D. Graetz number > 100

Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube___________________? Read More »

Chemical Heat Transfer

In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always__________________?

In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always__________________?

A. < 1
B. > 1
C. 1
D. ∞

In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always__________________? Read More »

Chemical Heat Transfer