In forced convection, the Nusselt number is a function of ____________________?

Related Mcqs:

“The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium”. This is ______________ law?

A. Kirchoff’s B. Planck’s C. Wien’s displacement D. Stefan-Boltzmann...

A perfect black body is a perfect _____________ of radiation?

A. Absorber B. Emitter C. Both A. & B. D. Neither A. nor B....

LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface area required is the least in the ______________ flow?

A. Parallel B. Mixed C. Counter flow D. Same in either A , B. or C....

With increase in temperature, the thermal conductivity of a gas ___________________?

A. Increases B. Decreases C. Remain same D. May increase or decrease depending on the type of gas...

During crystallisation, formation of crystal can occur in ______________ solution only?

A. Saturated B. Supersaturated C. Under-saturated D. All A., B. and C....