UPTU Previous Year Question Papers B Tech 6th Semester Surface Treatment and Application Techniques

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.

 

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