Correct answer
B. Hot hardness
Explanation
The correct answer is Hot hardness.
Calorific value of furnace oil is about ________ Kcal/kg?
The ratio of pressure forces to inertial forces is called the ________ number?
CaH4(PO4)2 is the chemical formula of ________?
The thickness of condensate layer in filmwise condensation depends on the________?
‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the________?
The normal stress is the same in all directions at a point in a fluid, when the fluid is________?