A.Peclet number
B.Nusselt number
C.Grashof number
D.Weber number
E.Prandtl number
Related Mcqs:
- A dimensionless heat transfer coefficient which gives a measure of the ratio of the heat transfer rate to the rate at which heat would be conducted within the fluid under a temperature gradient is known as
- The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as
- A non-dimensional number generally associated with natural convection heat transfer is
- A dimensionless group which represents the rate of the (product of intertial forces times buoyant forces) to viscous force squared is known as
- There metal walls of same cross-sectional area having thermal conductivity in the ratio 1 : 2 : 4 transfer heat at the rate of 15000 kcal/hr. For same thickness of wall, the temperature deop will be in the ratio
- A dimensionless number which is the ratio of kinematic viscosity to thermal diffusivity is known as
- Non-dimensional number generally involved in case of heat transfer from horizontal cylinder by natural convection is
- The ratio of heat flow QA/QB from two walls of same thickness having thermal conductivity kA = 2 kB, for the same temperature difference will be
- A dimensionless number representing the ratio of inertia forces to viscous forces is known as
- If the rate of heat flow in aboves case remains constant, the ratio of temperature difference (?t1) (?t2) would be
