APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’17
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
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?
Q3. Attempt any Five questions. 5×6=30
Describe the composition and uses of of bronze and gun metal.
Explain electro chemical theory of
What are fuels? Give the characteristics of good Fuels.
Define fire point, flash point, viscosity, viscosity index, cloud point and pour point.
What is glass? Give composition and uses of glass.
What are lubricants? How are they classified?
Explain green house effect and global warming.
Define plastic. Give constituent and applications of
APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’17 PSBTE Question Paper for for EE and ECE and Mechanical ENGINEERING
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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
Chloromethane is the monomer of
The unit of intensity of sound is
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
Functions of lubricants
Difference between thermoplastic and thermosetting plastics
Applications of polymers
Main sources of air pollution
How it is different from corrosion
Section c APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2018 PAPER sOLUTION
Define: i) metallurgy
iv) gangue v) flux
b) Give composition and uses of
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
Constituents and applications of enamels?
Addition and condensation polymers with examples.
Characteristics of a good lubricant