Applied Chemistry 2 Diploma
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APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’15
SECTION-A
Q1. Do as directed. 10×1=10
- The formula of copper pyrite is CuFeS
- Oxide ores are concentrated by _____Process.
- Slow and continuous decay of metal by mechanical force is known as Corrosion.
- Water gas is a mixture of Hydrogen and Nitrogen
- Cetane number is used for rating of Diesel.
- Lubrication is the process of decreasing ________ in the Machine .
- Pigment varnish is called ________
- Natural rubber is a polymer of _____
- Fibres are________ than elastomers
- The major air pollutant is __________
(B) State True or False 5×1=5
- 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.
SECTION-B
Q2. Attempt any five questions. 5×6=30
- Explain smelting and calcinations ?
- What is erosion? How it is different from corrosion?
- What are the characteristics of a good fuel?
- What are the functions of lubricants?
- Name various constituents of Explain functions of a drying oil and thinner.
- What do you understand by homopolymers and copolymers?
- What are polymers? Give its
- What is water pollution? Give the sources of water
- Define corrosion? What is the cause of corrosion?
SECTION-C
Q3. Attempt any Five questions. 5×6=30
- Describe the composition and uses of Brass and Gun
- Explain caustic Embrittlement and stress
- What is producer gas? Give its composition and
- Define fire point, flash point, emulsification, viscosity ,cloud point and pour
- What are refractories? Explain the types of
- Give the preparation and uses of Polythene and
- Explain acid rain and global
- Explain LPG and
APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’15 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 2015 PAPER
The formula of copper pyrite is CuFeS
Oxide ores are concentrated by _____Process.
Slow and continuous decay of metal by mechanical force is known as Corrosion.
Water gas is a mixture of Hydrogen and Nitrogen
Cetane number is used for rating of Diesel.
Lubrication is the process of decreasing ________ in the Machine.
Pigment varnish is called _______
Natural rubber is a polymer of _____
Fibres are________ than elastomers
The major air pollutant is ________
(B) State True or False
APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2015 PAPER SOLUTION Click Here
APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2015 PAPER
Smelting and calcinations
Erosion
different from corrosion
Characteristics of a good fuel
Functions of lubricants
Explain functions of a drying oil and thinner.
homopolymers and copolymers
What are polymers
water pollution
Give the sources of water
corrosion
cause of corrosion
APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2015 PAPER SOLUTION Click Here
Section c APPLIED CHEMISTRY-II 2nd Exam/Common/ 2254/Nov 2015 PAPER
Composition and uses of Brass and Gun
Caustic Embrittlement and stress
What is producer gas
fire point, flash point, emulsification, viscosity ,cloud point and pour
What are refractories
types of refractories
preparation and uses of Polythene and
acid rain and global Warning
LPG