Question

Air at 40°C flows with a velocity of 7 m/s over a 5 m long and 4 m wide surface of a
flat plate whose surface temperature is 80°C. Find the rate of heat transfer from the
laminar flow region of the surface. (For air at 40°C, v=1.702x10-4 m²/s, Pr=0.7255,
k = 0.02662 W/m.K).
a) 1.796 kW
b) 2.543 kW
c) 0.796 kW
d) 2.321 kW​

Answer 1

Answer:

0.796 kW

Explanation:

Answer 2

Answer:

0.796 kW is the final answer