For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of________?

A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest?

For water, when the pressure increases, the viscosity________?

A binary liquid Azeotropic mixture has boiling point lower than either of the components, when it shows ________ deviation from Raoult’s Law?

Insufficient washing of sand grains in a rapid sand filter causes________?

Capillary tube method of viscosity measurement is based on the ________?