A.Prandlt number
B.Nusselt number
C.Crash off number
D.Mach number
Related Mcqs:
- In case the hydrodynamic and thermal boundary layers are identical for a fluid flowing over a heated plate
- A wall has two layers A and B, each made of a different material. Both the layers have the same thickness. The thermal conductivity of material of A is twice that of B. Under the thermal equilibrium the temperature difference across the wall is 30?C. The temperature drops in layers A and B will be respectively
- Which dimensionless number can be used for convective heat transfer?
- A dimensionless number which is the ratio of kinematic viscosity to thermal diffusivity is known as
- A dimensionless number representing the ratio of inertia forces to viscous forces is known as
- A dimensionless group which represents the rate of the (product of intertial forces times buoyant forces) to viscous force squared is known as
- A dimensionless number which is the ratio of mass heat flow rate to the heat flow rate by conduction under a unit temperature gradient and through a thickness L is known as
- Which dimensionless number indicates the relative strength of the buoyant to viscous forces?
- The miaimum thickness of boundary layer in a pipe of radius R is
- The thickness of laminar boundary layer at a distance x from the leading edge over a flat plate varies as
