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Question Bank Solutions for BE Mechanical Engineering Semester 2 (FE First Year) - University of Mumbai - Applied Chemistry 2

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Applied Chemistry 2
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Define Fuel Cell

[8] Fuels
Chapter: [8] Fuels
Concept: Fuels

Explain Hydrogen Oxygen Fuel Cell with a neat diagram.

[8] Fuels
Chapter: [8] Fuels
Concept: Fuels

Explain the principle ‘Prevention of waste’ in green chemistry. 

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Green Chemistry

What is green chemistry?

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Green Chemistry

Give significance of green chemistry.

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Green Chemistry

Define Composite.

[9] Composite Materials
Chapter: [9] Composite Materials
Concept: Composite Materials

Give any two applications of composite materials.

[9] Composite Materials
Chapter: [9] Composite Materials
Concept: Composite Materials

Discuss in brief sacrificial anode method of corrosion protection. 

[7] Alloys
Chapter: [7] Alloys
Concept: Purpose of Making Alloys

Mention the advantages of composite materials 

[9] Composite Materials
Chapter: [9] Composite Materials
Concept: Composite Materials

Write a note on ‘Matrix phase’ of composite material.

[9] Composite Materials
Chapter: [9] Composite Materials
Concept: Composite Materials

Give two purposes of alloying.

[7] Alloys
Chapter: [7] Alloys
Concept: Purpose of Making Alloys

Define fuel.

[8] Fuels
Chapter: [8] Fuels
Concept: Fuels

Give the characteristics of good fuel.

[8] Fuels
Chapter: [8] Fuels
Concept: Fuels

Why is it essential to design safer chemicals and products wrt green chemistry principle? Explain with an example.

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Green Chemistry > Twelve Principles of Green Chemistry

What is matrix phase and particle phase in concrete? Give any two properties of concrete.

[9] Composite Materials
Chapter: [9] Composite Materials
Concept: Composite Materials > Constitution of Composite Materials

Porous Film is also called as ‘Non protective Film’. Explain with an example.

[6] Corrosion
Chapter: [6] Corrosion
Concept: Types of Corrosion > Dry Or Chemical Corrosion Due to Oxygen

List any Six principles of Green Chemistry.

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Green Chemistry > Twelve Principles of Green Chemistry

Explain the green chemistry principle “prevention of waste”.Explain the green chemistry principle “prevention of waste”.

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Green Chemistry > Twelve Principles of Green Chemistry

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.

[8] Fuels
Chapter: [8] Fuels
Concept: Calorific Value > Gross Or Higher Calorific Value

Calculate the % atom economy for the following reaction with respect to acetophenone. 
C6H6+CH3COCl = C6H5COCH3+HCl

[10] Green Chemistry
Chapter: [10] Green Chemistry
Concept: Numerical on Atom Economy
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