APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’17

                      SECTION-A

Q1. Do as directed.                                                     15×1=15

           a   Slag is a product of  Flux and Gangue   

           b.  Bronze is an alloy of copper and  iron

           c.  Water gas is a mixture of hydrogen and  Carbon Monooxide. 

         d.    Galvanizing is the process of depositing    Zinc    on ions.

         e.   Main hydrocarbon of biogas is  Methane

         f.   The velocity of grease is                          than of olive oil.

        g.   In paint, gypsum is used as                           .

       h.   The monomer of PVC is                      .

               Least polluting car fuel is                  

       j.   The unit of intensity of sound is                                           

Q2. State True and False.                                             5×1=5

      1.Brass is a non-ferrous alloy.

      2.A good fuel has low calorific Value.         False

      3.Volatility of a lubricant should be low.

      4.Fibres are weaker than elastomers

      5.Chloromethane is the monomer of

SECTION-B

Q2. Attempt any five questions.                               5×6=30

      i. Explain Froth floation process for the concentration of sulphide.

     ii. Write a short note on metal cladding and metal.

    iii. What is a producer gas? Give its composition and

    iv. What are functions of lubricants?

    v.  Difference between thermoplastic and thermosetting plastics?

    vi. What are the applications of polymers?

    vii. What are main sources of air pollution?

  viii. Define erosion. How it is different from corrosion?

SECTION-C

Q3. Attempt any Five questions.                                                         5×6=30

1. Describe the composition and uses of of bronze and gun metal.

2. Explain electro chemical theory of

3. What are fuels? Give the characteristics of good Fuels.

4. Define fire point, flash point, viscosity, viscosity index, cloud point and pour point.

5. What is glass? Give composition and uses of glass.

6. What are lubricants? How are they classified?

7. Explain green house effect and global warming.

8. Define plastic. Give constituent and applications of

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APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2017 PAPER sOLUTION

SECTION A :-APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2017 PAPER

Slag is a product of Flux and Gangue

Bronze is an alloy of copper and  iron

 Water gas is a mixture of hydrogen and  Carbon Monooxide. 

Galvanizing is the process of depositing    Zinc on ions.

Main hydrocarbon of biogas is  Methane

   The velocity of grease is                          than of olive oil.

 In paint, gypsum is used as                       

      Least polluting car fuel is                  

False

Chloromethane is the monomer of

 The unit of intensity of sound is                           

 .

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

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

Froth floation process for the concentration of sulphide

Short note on metal cladding and metal

Producer gas

Functions of lubricants 

Difference between thermoplastic and thermosetting plastics

Applications of polymers

Main sources of air pollution

Erosion.

How it is different from corrosion

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

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

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

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