Question 1:
a) Describe some of the parameters which influence the efficiency of working of a ball mill.
b) Explain the use of ball mill in the ink manufacture.
Question 2:
a) Describe the Newtonian and non-Newtonian flow of ink.
b) Explain the method to find out the gloss of an ink.
Question 3:
a) Describe the principle of falling bar viscometer.
b) Explain the process of checking ink viscosity by the viscometer.
Question 4:
a) Describe the requirements of food wrapper coatings.
b) Write down the formulation of food wrapper coatings.
Question 5: Describe the layout of liquid ink manufacturing unit.
Question 6: Write down the general formulation of fluorescent ink. Describe the function of ingredients used.