Question

Dry air at 293K and D = 4.2 x 10^6 m^2/s .flows at a velocity of 1 m/s over a flat plate of length 40 cm, which is covered with a thin layer of water. Estimate the local mass transfer coefficient at a distance of 10 cm from the leading edge and the average mass transfer coefficient.

Answer 1

Answer:

THE POSITION S OF A PARTICLE MOVING ALONG X AXIS AT TIME T IS GIVEN BY S = 5 -3T+ 2T*2 DRAW ITS VELOCITY TIME GRAPH