1. Draw and explain the temperature variation of a fluid along the flow direction for (a) constant heat flux and (b) constant wall temperature, boundary conditions. 2. What do you mean by mixing-cup...

1. Draw and explain the temperature variation of a fluid along the flow direction for (a) constant heat flux and (b) constant wall temperature, boundary conditions.

2. What do you mean by mixing-cup temperature of a fluid flowing through a tube?

3. What are the values of Nusselt number for laminar flow through a tube when the boundary condition is (a) constant heat flux and (b) constant wall temperature?