User: Prof. Vibhavari Kulkarni

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Posts by Prof. Vibhavari Kulkarni

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Answer: A: Calculate results of proximate analysis.
... Solution: Weight of coal taken = 2.5 gm Mass of moisture in coal = 2.5 – 2.415 = 0.085 gm % of moisture = loss in wt. of coal/weight of coal taken x 100 = 0.085 / 2.5 x100 = 3.4 % Mass of volatile matter = 2.4 ...
written 10 months ago by Prof. Vibhavari Kulkarni50
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Answer: A: Discuss impressed current method with the help of diagram for the protection of
... 2) IMPRESSED CURRENT METHOD:- Current is applied in opposite direction to that of the corrosion current, thereby nullifying the effect of the later one on the base metal i.e. converting the base metal to cathode from an anode. Such impressed current obtained by using dc source such as battery or dry ...
written 10 months ago by Prof. Vibhavari Kulkarni50
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Answer: A: Define cracking & discuss fixed bed and movable bed cracking.
... Q3.3 Define cracking & discuss fixed bed and movable bed cracking[Difficulty level-high] Fluidized bed Catalytic cracking is process in which heavy oil is heated in presence of a catalyst. Generally used catalysts are crystalline substances e.g. bauxite, zeolite, crystalline aluminosilicate. ...
written 10 months ago by Prof. Vibhavari Kulkarni50
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Calculate results of proximate analysis.
... 2.5 gm of air dried coal sample was taken in a silica crucible, after heating it in an electric oven at $1050^{\circ} C -1100 ^{\circ}C$ for 1 hour, the residue was weighed 2.410 gm. The residue was heated in silica crucible covered with vented lid at temperature $950-9700 ^{\circ}C$ for exactly 7 ...
ac2(82) written 10 months ago by Prof. Vibhavari Kulkarni50
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Define cracking & discuss fixed bed and movable bed cracking.
... **Subject:-** Applied Chemistry 2. **Topic:-** Fuel **Difficulty:**- High ...
ac2(82) written 10 months ago by Prof. Vibhavari Kulkarni50
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Discuss impressed current method with the help of diagram for the protection of metal with the help of diagram.
... **Subject**:- Applied Chemistry 2. **Topic**:- Cracking **Difficulty**:- Medium ...
ac2(82) written 10 months ago by Prof. Vibhavari Kulkarni50
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Answer: A: Write note on fibre reinforced composite.
... Fibre reinforced composite material: Fibre reinforced composite can be made from metals, ceramics, glasses or fibre that have been turned into graphite which is known as carbon fibre. These composites are very expensive as reinforcement of fibre into matrix is difficult. Fibre pull is possible and w ...
written 10 months ago by Prof. Vibhavari Kulkarni50
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Answer: A: Write a note on sandwich panel type layered composite.
... Sandwich panel: This is another type of layered composite. It consists of 5 layers 2 layers are of faces, 2 layers are of adhesives & I middle layer is of core. Faces: faces are formed by two strong outer sheets.e.g. Titanium, steel, aluminium alloys, plywood & fibre reinforced plastic mate ...
written 10 months ago by Prof. Vibhavari Kulkarni50
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Answer: A: Write note on whisker.
... The dispersed phase comprises of fibres, normally with small diameter preferred to bulk ones. A special type of fibres widely known as Whiskers are used Whiskers have following properties 1. They are very thin single crystals 2. They possess extremely large length / diameter ratios 3. They are flaw ...
written 10 months ago by Prof. Vibhavari Kulkarni50
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Answer: A: 8Write a note on a) Large particle reinforced composite b) Dispersion strengthen
... 1. Particle reinforced composite: Particles are made from metal powder, mineral powder, ceramic powder & carbon black. Particles increases elasticity modulus & decreases ductility & permeability. It also produces inexpensive composite material. i) Large particle composite: Its features a ...
written 10 months ago by Prof. Vibhavari Kulkarni50 • updated 9 months ago by Sanket Shingote ♦♦ 250

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