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Advanced Engineering Chemistry

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A sample of coal contains C=66%, O=28%, H=4%, S =1.5%, N=0.8% and ash = 0.2%. calculate the G.C.V and N.C.V of the coal
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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0.5gm of coal sample was burnt in Bomb Caloriemeter experiment produced 0.06gm of $BaSO_4$. Calculate percentage of Sulphur
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Calculate weight and volume of air required for complete combustion of $1m^3$ of gaseous fuel which possess by volume
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Explain the determination of % moisture and % volatile matter in a coal sample. Give its significance
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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A gaseous fuel contains $H_2$=50%, $CH_4$= 30%, $N_2$=2%, CO =7%,$C_2 H_4$ =3%, $C_2 H_6$ = 5% and water vapour = 3%
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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1.95 gm of a coal sample was taken for nitrogen estimation by Kjeldahis method.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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A sample of coal has the following composites: C = 70%, O = 23%, H = 5%, S = 1.5%, N = 0.4%, Ash = 0.1%, calculate the G.C.V. of this fuel.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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1.56g of a coal sample was kjeldahlised and $NH_3$ gas thus evolved was absorbed in 50ml of 0.1N $H_2 SO_4$
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Calculate the higher and lower calorific values of coal sample containing 84% carbon, 1,5% sulphur, 0.6 nitrogen, 8.4% hydrogen and 5.5% oxygen
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Select the compound which posses highest octane number and highest cetane out of n-heptane, n-octane and iso-octane
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Calculate weight of air needed for complete combustion of 2kg of coal containing C =70%, H= 10%, O=10%, N=5% and remaining ash
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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A coal sample contains C = 70%, O= 5%, H = 23%, N = 0.4%, ash = 0.1%. calculate GCV and NCV of the fuel.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Define octane number and cetane number
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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What is cracking? Explain in detailed fixed bed catalytic cracking with suitable diagram.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Explain the effect of the following alloying elements on steel a) Chromium b)Tungsten
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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What is powder metallurgy? Explain hot compaction method with a neat labelled diagram
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Write a brief note on heat resistant steel
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Distinguish between anodic protection and cathodic protection.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Explain the advantages of galvanizing over tinning
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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What is cathodic protection? Describe impressed current method of corrosion control.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Explain with the help of diagram wet corrosion in neutral medium
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Mention three function of thinner in paint
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Define corrosion of metals. Explain the electrochemical theory of wet corrosion, giving its mechanism.
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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Experimental analysis shows that the homogeneous decomposition of ozone proceeds with a rate
advanced engineering chemistry updated 3.0 years ago by RakeshBhuse • 3.2k
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Iron does not rust even if the zinc coating is broken in a galvanized iron pipe. Give reason
advanced engineering chemistry updated 5.1 years ago by sanketshingote • 100
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