41.
When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

42.
When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

48.
The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)