Penicillin is seperated from fermented broth by
Which of the following is not an antibiotic
Which of the following is super-efractory
Bleaching of paper pulp is done with
The ideal pulp for the manufacture of paper should have high
The octane number of gasoline is increased by the addition of
Which of the following is a detergent
Catalyst used in hydrogenation of oil is
Detergents are manufactured from
Solvent used for extraction of oil is
Unsaturated oils compared to saturated oils have
Oil is
Gypsum is
Cement mainly contains
Which of the following glasses is optically important for their high index of refraction and dispersion
Contact process
Catalyst used in manufacture of sulphuric acid by chamber and contact processes are respectively
The most common filter aid is
The porosity of a compressible cake is
Filter medium resistance is that offered by the
A classifier is a device that
With increase in the capacity of screens the effectiveness
For the preliminary breaking of hard rock, we use
A fluid energy mill is used for
The operating speed of a ball mill should be ............. the critical speed.
Work index is defined as the
Rittinger's crushing law states that
Crushing efficiency is the ratio of
For coarse reduction of hard solids, use
The opening of 200 mesh screen (Taylor series) is
