APPLIED CHEMISTRY-II 2ND SEM EXAM /2254/NOV 2018 PAPER SECTION-A
Q1.Fill in the Blanks. 15×1=15
Flux + gangue = Slag
Producer gas is a mixture of CO and H2 or Hydrogen Gas
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.
SECTION-B
Q2. Attempt any ten questions. 10×3=30
How is biogas produced? Name its main
What are composite materials? Give an Example.
Give applications of solid lubricants. Also give an example.
What is the purpose of making alloys?
Explain flash point and fire point of a lubricant
What is the difference between thermoplastic and thermosetting polymers?
Give one use of a) soda lime glass b) flint glass c) borosilicate.
Define polymerization and degree of polymerization.
What is the difference between erosion and corrosion
Define calorific value of a fuel. Which variety of coal has the highest calorific value?
What are the advantages of gaseous fuels
What are the characteristics of a good refractory material?
Name the various constituents of paint.
Define the term galvanization.
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? |
Download Paper APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov’18 for Automobile and Mechanical ,Civil Engineering
Previous Year Question to Download Paper APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov’18 for Automobile and Mechanical ,Civil Engineering PSBTE Question Paper Download Here
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
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
How is Biogas produced
composite materials
Applications of solid lubricants.
Purpose of making alloys
Flash point and fire point of a lubricant.
Difference between thermoplastic and thermosetting polymers
use of a) soda lime glass
b) flint glass
c) borosilicate.
Polymerization
Degree of polymerization.
Difference between erosion and corrosion.
Calorific value of a fuel.
Advantages of gaseous fuels
Characteristics of a good refractory material
Name the various constituents of paint.
Galvanization.
Greenhouse effect.
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