Thermodynamic equilibrium constant in a system is affected by________?

Liquid argon level in a pressurised storage tank (at 3 kg/cm2) is measured by a/an ________?

The film co-efficient between condensing vapour and metal wall increases with ________?

For laminar flow of a fluid through a packed bed of spheres of diameter d, the pressure drop per unit length of bed depends upon the sphere diameter as________?

Smoke is produced due to________?

________ joint is mostly used for joining pipes carrying water at low pressure?