Q1. Describe the principle of the lithographic printing.
Q2. Describe the needs of offset ink.
Q3. List out some of the properties of the photocopier ink?
Q4. prepare down general formulation of the anti-forgery ink.
Q5. describe a method to check the drying time of an ink.
Q6. prepare down stepwise process to test the acid resistance of an ink.
Q7. describe the working of a two roll mill.
Q8. Describe some of the safety measures to be taken while working in an ink manufacturing unit.