Q1. Define the following terms:
Q2. Describe the hot transfer process.
Q3. Describe the given in brief:
a) Roll crowning
b) Roll bending
c) Roll cross axing
Q4. What do you mean by cellular plastics? Describe the manufacturing method for the polyurethane foam.
Q5. Describe three kinds of calendar units with their configurations and constructional characteristics.
Q6. Describe the following term:
a) Solvent cementing
b) Adhesive bonding
Describe their applications.
Q7. describe how thermal sealing of film is and sheet is taken out? Describe with neat sketch. As well state the application of the induction welding.
Q8. Define the following terms in detail: