Date: June 2018
1) Question No. 1 is compulsory
2) Attempt any three questions from the remaining five questions
Explain why cathodic coating is preferred over anodic coating for manufacturing of containers to store food stuffs.
Chapter: [6] Corrosion
A sample of coal has the following composition:- C= 70% O=23% H=5% S=1.5% N=0.4% Ash=0.1% Calculate GCV of this fuel.
Chapter: [8] Fuels
Give the composition, properties and uses of high phosphorous bronze.
Chapter: [7] Alloys
Why is it essential to design safer chemicals and products wrt green chemistry principle? Explain with an example.
Chapter: [10] Green Chemistry
What is matrix phase and particle phase in concrete? Give any two properties of concrete.
Chapter: [9] Composite Materials
Porous Film is also called as ‘Non protective Film’. Explain with an example.
Chapter: [6] Corrosion
Define Electrochemical Corrosion. Explain Intergranular Corrosion with a neat diagram.
Chapter: [6] Corrosion
1.95 gm of coal sample was taken for nitrogen estimation by Kjeldahl’s method. The ammonia liberated required 9.5 ml of 0.4 N H2SO4 for neutralization. Calculate the percentage of nitrogen in coal sample.
Chapter: [8] Fuels
Explain structural Composition of plywood.
Chapter: [9] Composite Materials
Explain Hydrogen Oxygen Fuel Cell with a neat diagram.
Chapter: [8] Fuels
Give Shape Memory Alloys properties and uses.
Chapter: [7] Alloys
give advantages of bio-diesel.
Chapter: [8] Fuels
Calculate the % atom economy for the following reaction with respect to acetophenone.
C6H6+CH3COCl = C6H5COCH3+HCl
Chapter: [10] Green Chemistry
What is cathodic protection?
Chapter: [6] Corrosion
Explain impressed current cathodic protection with the applications.
Chapter: [6] Corrosion
Give significance of green chemistry.
Chapter: [10] Green Chemistry
Give any two applications of composite materials.
Chapter: [9] Composite Materials
What is powder metallurgy?
Chapter: [7] Alloys
Explain hot compaction method with a neat labelled diagram.
Chapter: [7] Alloys
A gaseous fuel contains H2=50% CH4=30% N2=2% CO=7% C2H4=3% C2H6=5% and water vapours=3%. Calculate weight and volume of air for 2m3 of the gas.
Chapter: [8] Fuels
List the three main constituents of paint and give functions of each.
Chapter: [6] Corrosion
Explain the effect of the following alloying elements on steel.
Chapter: [7] Alloys
Explain conventional and green chemistry route for production of Ibuprofen. Highlight the green chemistry principle involved.
Chapter: [10] Green Chemistry
Write short note on Compacting.
Chapter: [7] Alloys
Write short notes on Sintering.
Chapter: [7] Alloys
What are fiber reinforced composite?
Chapter: [9] Composite Materials
Explain how areas of cathode and anode affect the rate of corrosion.
Chapter: [6] Corrosion
Explain the determination of % moisture and % volatile matter in a coal sample.
Chapter: [8] Fuels
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