Heat Transfer Refrigeration and Air Conditioning - Engineering

Q1:

The logarithmic mean temperature difference (tm) is given by (where Δt1 and Δt2 are temperature differences between the hot and cold fluids at entrance and exit)

A

B

C tm = (Δt1 - Δt1) loget1t1)

D

ANS:A -

Explanation: No answer description is available.