6071. A 0.5 m high bed made up of a 1 mm dia glass sphere (density 2500 kg/m³ ) is to be fluidised by water (density 1000 kg/m³ ). If at the point of incipient fluidisation, the bed voidage is 40%, the pressure drop across the bed is September 7, 2025 by Admin 4.4 KPa 2.94 KPa 3.7 KPa None of these ✅ The correct answer is option A.
