Correct answer
D. A metal can be economically extracted from it
Explanation
The correct answer is A metal can be economically extracted from it.
Nitric acid is not used in the manufacture of________?
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?
Function of gear box is to________?
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?
The equivalent diameter for fluid flow through square cross section channel of side ‘x’, for pressure drop calculation purpose is given by________?
In a shell and tube heat exchanger, square pitch compared to triangular pitch________?