Correct answer
A. 50000
Explanation
The correct answer is 50000.
Half the angle of nip, (α), for a roll crusher is given by (where, dr, dp and df are diameters of crushing rolls, feed particles and rolls gap respectively)?
Acidity or alkanity of a solution is expressed by its pH value, which is defined as (where, [H+] = hydrogen ion concentration in the solution)?
The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by ________?
The preferred material of construction for storage tanks for 98% sulphuric acid is________?
Cold working of a material results in increase in hardness, which is termed as the ________ hardening?
Phenolic antiseptics are added in the ________ soap?