The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about ________ mm of water column per metre height of packing?

If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will________?

Semi-silica bricks compared to silica bricks have________?

Dimension of absolute viscosity is________?

The discharge through a rectangular weir varies as ________?

Degree of freedom of the system ice-water-vapour will be ________?