problem 1:

a) Describe some of the parameters which influence the efficiency of working of a ball mill.
b) describe the use of ball mill in the ink manufacture.

problem 2:

a) Describe the Newtonian and non-Newtonian flow of ink.
b) describe the method to find out the gloss of an ink.

problem 3:

a) Describe the principle of falling bar viscometer.
b) describe the process of checking ink viscosity by the viscometer.

problem 4:

a) Describe the requirements of food wrapper coatings.
b) prepare down the formulation of food wrapper coatings.

problem 5: Describe the layout of liquid ink manufacturing unit.

problem 6: prepare down the general formulation of fluorescent ink. Describe the function of ingredients used.