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Q3. Attempt any Five questions.                             5×6=30
APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’17 PSBTE Question Paper for for EE and ECE and Mechanical ENGINEERINGÂ
Previous Paper of APPLIED CHEMISTRY-II 2nd Sem Exam/2254/2451/5424/Common/Nov’17PSBTE Question Paper Download Here
Slag is a product of Flux and Gangue
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Bronze is an alloy of copper and ________Bronze is an alloy of copper and  iron
 Water gas is a mixture of hydrogen and ________ Water gas is a mixture of hydrogen and  Carbon Monooxide.Â
Galvanizing is the process of depositing _________  on ions.Galvanizing is the process of depositing   Zinc on ions.
Main hydrocarbon of biogas is ________Main hydrocarbon of biogas is Methane
  The velocity of grease is ________ than of olive oil.  The velocity of grease is                         than of olive oil.
 In paint, gypsum is used as ________. In paint, gypsum is used as           Â
      Least polluting car fuel is ________      Least polluting car fuel is                 Â
Q2. State True and False. Brass is a non-ferrous alloy. A good fuel has low calorific Value.ÂFalse
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Volatility of a lubricant should be low. Fibres are weaker than elastomers Chloromethane is the monomer ofChloromethane is the monomer of
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 The unit of intensity of sound is The unit of intensity of sound is              Â
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The monomer of PVC is _________Â .
Froth floation process for the concentration of sulphide
Write a short note on metal cladding and metalShort note on metal cladding and metal
What is a producer gas? Give its composition andProducer gas
What are functions of lubricants?Functions of lubricantsÂ
Difference between thermoplastic and thermosetting plastics?Difference between thermoplastic and thermosetting plastics
What are the applications of polymers?Applications of polymers
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What are main sources of air pollution?Main sources of air pollution
Define erosion. How it is different from corrosion?Erosion.
How it is different from corrosion
Define: i) metallurgy
ii) mineral
iii) ore
iv) gangue v) flux
  b) Give composition and uses of i) brass ii) bronze  b) Give composition and uses of
i) brass
ii) bronze
Q4 a) Explain the heat treatment methods to prevent corrosion of metals.Heat treatment methods to prevent corrosion of metals.
Explain the process of cementationProcess of cementation
What are the characteristics of a good fuel?Characteristics of a good fuel
b) Give composition and uses of      a) water gas      b) producer gasb) Give composition and uses of      a) water gas      b) producer gas
What are anti knock compounds? Give two examples.anti knock compounds? Give two examples.
What are refractories? Explain its types with examplesWhat are refractories and its Example
b) What is enamel? What are the constituents and applications of enamels?Enamel
Constituents and applications of enamels?
Explain addition and condensation polymers with examples.Addition and condensation polymers with examples.
What are the characteristics of a good lubricant ?Characteristics of a good lubricant