UPTU Previous Year Question Papers
B Tech 6th Semester Surface Treatment
and Application Techniques
Note : (i) Attempt all questions.
(ii) All questions carry equal marks.
1. Attempt any two parts of the following :
(a) Describe objectives of surface preparation before painting of the object.
(b) Write short note on any two of the following:
(i) Acid cleaning
(ii) Steam cleaning
(iii) Solvent cleaning.
(c) Describe flame cleaning and blast cleaning method.
2. Attempt any two parts of the following :
(a) Discuss chemical paint removal methods.
(b) Discuss chemical treatment methods for iron metal.
(c) Describe methods of surface preparation of masonry surfaces.
3. Attempt any two parts of the following :
(a) Describe electrostatic method of paint application.
(b) What is electro-deposition of paint? Discuss anodic electro-deposition method with its merits and demerits.
(c) What are powder paints? Discuss different methods of application of powder paints.
4. Attempt any one part of the following :
(a) Describe different methods of wet film curing.
(b) Discuss finishing of refrigerator and washing machine.
5. Attempt any one part of the following :
(a) Describe paint defects occurred during paint application.
(b) What do you understand by refinishing? Discuss refinishing of old car.