Section A
Q1.
(a) State Fourier's law of heat conduction and derive the dimension of thermal conductivity from the equation.
(b) Define a Black Body. State Stefan-Boltzmann's law and Kirchhoff's law of radiation.
(c) Give the importance of relative volatility for distillation purpose and derive its relationship with equilibrium composition (x, y) in a mixture.
(d) Write and explain the dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer.
(e)
Define the following terms :
(i) Moisture content
(ii) Equilibrium moisture
(iii) Bound moisture
(iv) Free moisture
(v) Humidity
(f) Determine the equivalent diameter for heat transfer for a fluid flowing through an annulus of inner dia. 0.8 m and outer dia. 1.0 m.
(g) Write the limitations of venturimeter over orifice meter and discuss the principle of orifice meter.
(h) State Rittinger's law, Kick's law and Bond's law of Crushing.