Correct answer
D. None of these
Explanation
The correct answer is None of these.
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is ________ the liquid head available in the downcomer?
Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2. On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as ________ kg/cm2?
Hydrogenation of edible vegetable oils________?
Potential flow is characterised by the________?
If Blasius or Darcy friction factor is ‘f1’ then the Fanning friction factor is equal to________?
Purpose of air lift pump is to________?