A phosphatic fertilizer contains 16% P2O5. It could be________?

In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about ________ percent?

Length/diameter ratio of a ball mill is ________?

Analogy between mass and heat transfer is not applicable in case of________?

The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge)?

Si percentage in silica refractories used in the walls of coke oven is about________?