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APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’15 PSBTE Question Paper for for EE and ECE and Mechanical ENGINEERINGÂ
Previous Paper of APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’15 PSBTE Question Paper Download Here
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The formula of copper pyrite is __________
The formula of copper pyrite is CuFeS
Oxide ores are concentrated by _____Process.
Oxide ores are concentrated by _____Process.
Slow and continuous decay of metal by mechanical force is known as ________
Slow and continuous decay of metal by mechanical force is known as Corrosion.
Water gas is a mixture of ________ and ________
Water gas is a mixture of Hydrogen and Nitrogen
________ number is used for rating of Diesel.
Cetane number is used for rating of Diesel.
Lubrication is the process of decreasing ________ in the Machine
Lubrication is the process of decreasing ________ in the Machine.
Pigment varnish is called _______
Pigment varnish is called _______
Natural rubber is a polymer of _________
Natural rubber is a polymer of _____
Fibres are________ than elastomers
Fibres are________ than elastomers
The major air pollutant is _______
The major air pollutant is ________
The metals are electropositive in nature.
True
A good fuel has low moisture .
True
Grease is low viscous in nature.
True
All macromolecules are the are polymers.
Acidic soil damages the crops.
Explain smelting and calcinations ?
Smelting and calcinations
What is erosion? How it is different from corrosion?
Erosion
different from corrosion
What are the characteristics of a good fuel?
Characteristics of a good fuel
What are the functions of lubricants ?
Functions of lubricants
Name various constituents of Explain functions of a drying oil and thinner.
Explain functions of a drying oil and thinner.
What do you understand by homopolymers and copolymers?
homopolymers and copolymers
What are polymers
What is water pollution? Give the sources of water
water pollution
Give the sources of water
Define corrosion? What is the cause of corrosion?
corrosion
cause of corrosion
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Describe the composition and uses of Brass and Gun
Composition and uses of Brass and Gun
Explain caustic Embrittlement and stress
Caustic Embrittlement and stress
What is producer gas? Give its composition and
What is producer gas
Define fire point, flash point, emulsification, viscosity ,cloud point and pour
fire point, flash point, emulsification, viscosity ,cloud point and pour
What are refractories? Explain the types of refractories
What are refractories
types of refractories
Give the preparation and uses of Polythene and
preparation and uses of Polythene and
Explain acid rain and global Warning ?
acid rain and global Warning
LPG