BE Civil Engineering
BE Computer Engineering
BE Mechanical Engineering
BE Biotechnology
BE Marine Engineering
BE Printing and Packaging Technology
BE Production Engineering
BE IT (Information Technology)
BE Electrical Engineering
BE Electronics and Telecommunication Engineering
BE Instrumentation Engineering
BE Electronics Engineering
BE Chemical Engineering
BE Construction Engineering
BE Biomedical Engineering
BE Automobile Engineering
Academic Year: 2017-2018
Date: दिसंबर 2017
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1.Question.No. 1 is compulsory.
2. Attempt any three question out of remaining five.
Select the compound which possesses highest octane number and highest cetanenumber out of n-heptane, n-octane and isooctane.
Chapter: [8] Fuels
Iron does not rust even if the zinc coating is broken in a galvanized iron pipe.Give reasons.
Chapter: [6] Corrosion
Calculate the higher and lower calorific values of coal sample contains 84%carbon, 1.5% sulphur, 0.6 Nitrogen, 5.5% hydrogen and 8.4% oxygen.
Chapter: [6] Corrosion
What are drawbacks of plain carbon steel
Chapter: [7] Alloys
Explain the principle ‘Prevention of waste’ in green chemistry.
Chapter: [10] Green Chemistry
Define and classify composite materials.
Chapter: [9] Composite Materials
Mention three functions of thinner in paint.
Chapter: [6] Corrosion
Define corrosion of metals. Explain the electrochemical theory of wet corrosion, giving its mechanism.
Chapter: [6] Corrosion
1.56g of coal sample was kjeldahlished and `NH_3` gas thus evolved was absorbed in 50ml of 0.1N `H_2SO_4`. After absorption to excess (residual) acid requires 6.25ml of 0.1N NaOH for exact neutralisation. Calculate the percentage of N in the coal sample.
Chapter: [8] Fuels
What is supercritical CO2? Why is it considered a green solvent.
Chapter: [10] Green Chemistry
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Write a short note on Particle reinforced composites.
Chapter: [9] Composite Materials
What is cracking? Explain in detail – fixed bed catalytic cracking.
Chapter: [8] Fuels
Write a note on heat resistant steel
Chapter: [7] Alloys
A metal rod half immersed in water starts corroding at the bottom. Give reasons.
Chapter: [7] Alloys
Calculate the percentage of atom economy for the following reaction with respect to allyl chloride. CH3-CH=CH2+Cl2 → Cl-CH2-CH=CH2+HCl
Chapter: [10] Green Chemistry
Explain how the following factors affect the rate pf corrosion
i) pH
ii) Ratio of anode to cathode areas.
iii) Position of metal in galvanic series.
Chapter: [6] Corrosion
Write a brief note on products obtained from natural materials.
Chapter: [10] Green Chemistry
Define structural composites.
Chapter: [9] Composite Materials
Define shape memory alloys and mention its applications.
Chapter: [7] Alloys
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A sample of coal was found to contain the following constituents. C = 81%, O = 8%, S = 1%, H = 5%, N = 1% and Ash = 4%. Calculate the minimum weight and volume of an required for the complete combustion of 1kg of coal.
Chapter: [8] Fuels
Discuss in brief sacrificial anode method of corrosion protection.
Chapter: [7] Alloys
What is powder metallurgy? Mention any two advantages and two limitations of powder metallurgy.
Chapter: [7] Alloys
Explain with suitable equations conventional and green synthesis of carbaryl. Also mention the principle of green chemistry involved.
Chapter: [10] Green Chemistry
Mention the composition, properties and uses of Duralumin:
Chapter: [9] Composite Materials
Mention the composition, properties and uses of German silver
Chapter: [9] Composite Materials
Mention the composition, properties and uses of Gun metal
Chapter: [9] Composite Materials
Mention the advantages of composite materials
Chapter: [9] Composite Materials
Distinguish between anodic and cathodic coating
Chapter: [6] Corrosion
What is biodiesel? Discuss the method to obtain biodiesel. What are the advantages of biodiesel?
Chapter: [8] Fuels
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University of Mumbai previous year question papers Semester 2 (FE First Year) Applied Chemistry 2 with solutions 2017 - 2018
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