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APPLIED CHEMISTRY-II 2nd Sem/Common/2254/Nov 2018 Paper

APPLIED CHEMISTRY-II 2ND SEM EXAM /2254/NOV 2018 PAPER                                                                                                                                                                                                                             SECTION-A

Q1.Fill in the Blanks. 15×1=15

  1. Flux + gangue = Slag

  2. Producer gas is a mixture of CO and H2 or Hydrogen Gas

  3. Viscosity of a lubricant Decrease with increase in temperature

  4. A good lubricant should have High boiling point.

  5. Annealing is the process to make steel  Soft in nature.

  6.  Less Value of the pH, greater is the corrosion.

  7.  Pyrex glass is used in making laboratory.

  8. Silica is a type of  Acidic refractory.

  9. Nylon-66 is an example of  Copolymer.

  10. The monomer unit of PVC is Vinyl Chloride.

  11. Units of viscosity are Poise.

  12. A good fuel has High calorific Value.

  13. Methane is the major component of natural gas.

                                                       SECTION-B

Q2. Attempt any ten questions.                                                                                                                             10×3=30

  1. How is biogas produced? Name its main

  2. What are composite materials? Give an Example.

  3. Give applications of solid lubricants. Also give an example.

  4. What is the purpose of making alloys?

  5. Explain flash point and fire point of a lubricant

  6. What is the difference between thermoplastic and thermosetting polymers?

  7. Give one use of   a) soda lime glass   b) flint glass        c) borosilicate.

  8. Define polymerization and degree of polymerization.

  9. What is the difference between erosion and corrosion

  10. Define calorific value of a fuel. Which variety of coal has the highest calorific value?

  11. What are the advantages of gaseous fuels

  12. What are the characteristics of a good refractory material?

  13. Name the various constituents of paint.

  14. Define the term galvanization.

  15. Explain greenhouse effect.

                                                    SECTION-C

Q3. Attempt any three questions.                                                                                                                       3×10=30

Q3. a) Define: i) metallurgy ii) mineral iii) ore iv) gangue v) flux

       b) Give composition and uses of i) brass ii) bronze

Q4. a) Explain the heat treatment methods to prevent corrosion of metals.

       b) Explain the process of cementation.

Q5. a)What are the characteristics of a good fuel?

        b) Give composition and uses of       a) water gas       b) producer gas

        c) What are anti knock compounds? Give two examples.

Q6. a) What are refractories? Explain its types with examples.

        b) What is enamel? What are the constituents and applications of enamels?

Q7. a) Explain addition and condensation polymers with examples.

       b) What are the characteristics of a good lubricant?

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APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2018 PAPER sOLUTION

SECTION A :-APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2018 PAPER

Flux + Gangue = Slag

Producer gas is a mixture of CO and H2 or Hydrogen Gas

Related Post

 

Viscosity of a lubricant Decrease with increase in temperature

A good lubricant should have High boiling point.

Annealing is the process to make steel  Soft in nature.

Less Value of the pH, greater is the corrosion.

 

Pyrex glass is used in making laboratory.

Silica is a type of Acidic refractory.

 

Nylon-66 is an example of  Copolymer.

 

The monomer unit of PVC is Vinyl Chloride.

Units of viscosity are Poise.

 

A good fuel has High calorific Value.

Methane is the major component of natural gas.

APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2018 PAPER SOLUTION Click Here

APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2018 PAPER

APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2018 PAPER SOLUTION Click Here

Section c APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2018 PAPER sOLUTION

Define: i) metallurgy

ii) mineral

iii) ore

iv) gangue v) flux

   b) Give composition and uses of

i) brass

ii) bronze

Heat treatment methods to prevent corrosion of metals.

Process of cementation

Characteristics of a good fuel

b) Give composition and uses of       a) water gas       b) producer gas

anti knock compounds? Give two examples.

What are refractories and its Example

Enamel

Constituents and applications of enamels?

Addition and condensation polymers with examples.

Characteristics of a good lubricant

APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2018 Paper Solution Contact Us
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