Correct answer
B. All A., B. & C.
Explanation
The correct answer is All A., B. & C..
A gas (density = 1.5 kg/m3, viscosity = 2 × 10‒5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m3and viscosity of 3 × 10‒5kg/m.s flowing at 3 m/s will be________?
A hot body will radiate heat most rapidly, if its surface is________?
Hydrochloric acid is stored in a ________vessel?
Extraction of uranium from its ore is done using ________ methods?
Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of ________ percent of U-235 (i.e. fissile material)?
Which of the following conditions must be satisfied for lift force to be developed?