QUESTION SIX : please answer all kindly

a$.$ State the characteristic equation for gases and explain its significance. $(2$ marks$)$

b$.$ Define density, specific volume, weight density and specific gravity. $(8$ marks$)$

c$.$ Distinguish between vapor and gas. $(2$marks$)$

d$.$ Distinguish between Newtonian and non$-$Newtonian Fluids. $(2$marks$)$

e$.$ Define the term viscosity and explain the significance of the same. $(2$ marks$)$

f$.$ Distinguish between compressible and incompressible fluids. $(2$ marks$)$

g$.$ Explain from microscopic point of view the concept of viscosity and momentum

transfer. Explain how viscosity of liquids and gases behave with temperature.

$(4$marks$)$

h$.$ Explain how liquid surface behaves by itself and when it is in contact with other

surfaces. $(3$ marks$)$