Which of the following is not a non-metalliferous mineral ?

Related Mcqs:

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?

A. British standard screens B. German standard screens (DIN 1171) etc C. American standard screens (ASTM and Tyler standard screens) D. All A., B. and C....

The important dimensional group involved in the power requirement calculation in mixing operation is the _____________ number?

A. Reynold’s B. Froude C. Both A. & B. D. Neither A. nor B....

The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake)__________________?

A. ∝ ΔP B. ∝ 1/ ΔP C. ∝ √ΔP D. Independent of ΔP...

Sphericity of pulverised coal is__________________?

A. 1 B. < 1 C. > 1 D. ∞...

Paddle agitator_________________?

A. Is suitable for mixing low viscosity liquids B. Produces axial flow C. Moves at very high speed D. None of these...