UPTU Previous Exam Papers B Tech 6th Semester Counting Properties And Quality Control 2006-07

UPTU Previous Exam Papers

B Tech 6th Semester Counting Properties

And Quality Control 2006-07

Note : (i) Answer all questions.

(ii) All questions carry equal marks.

(iii) Be precise in your answer.

 1. Attempt any two of the following :      

(a)  Mention the basis of classification of paints.

(b) Write the various properties of paint and discuss any one of them.

(c) Define gloss. What are the factors, the gloss of a paint depends upon?

 

2. Attempt any two of the following :         

(a) Explain the working of Hegman Gauge with a neat sketch.

(b) Differentiate between viscosity and consistency and give one example of testing the viscosity of a surface coating material.

(c) How do we test the opacity of a paint?

 

3. Attempt any two of the following :  

(a) Give the reason of testing flexibility of a coating.

(b) What is PAC and what for this test is important?

(c) Explain briefly the procedure of testing a coating for fire resistant.

 

4. Attempt any two of the following :      

(a) What is the need of analysing paints for their ingredients?

(b) Give the procedure for determining volatile matter, including water in a paint.

(c) Discuss the role of instrumentation in the analysis of binder in the coatings.

 

5. Attempt any two of the following :   

(a) What do you understand by “Ageing of a coating”?

(b) Explain the mechanism of “Weatherometer”

(c) Discuss any one defect of dried paint film with proper remedial measure.

 

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