Applied Chemistry 1 CBCGS 2017-2018 BE Production Engineering Semester 1 (FE First Year) Question Paper Solution

Applied Chemistry 1 [CBCGS]
Marks: 60 University of Mumbai
BE Production Engineering
BE Marine Engineering
BE Construction Engineering
BE Instrumentation Engineering
BE Printing and Packaging Technology
BE Mechanical Engineering
BE Civil Engineering
BE Electrical Engineering
BE IT (Information Technology)
BE Biotechnology
BE Electronics and Telecommunication Engineering
BE Computer Engineering
BE Chemical Engineering
BE Biomedical Engineering
BE Automobile Engineering
BE Electronics Engineering

Academic Year: 2017-2018
Date: December 2017

1). Question No . is  compulsory .

2) Answer any three questions from the remaining five . 


Distinguish between BOD and COD. 

Concept: Bod - Definition and Significance
Chapter: [1] Water

Give the preparations, properties and uses of Kevlar. 

Concept: Preparation, properties and uses of Kevlar
Chapter: [2] Polymers

Calculate the total hardness in ppm in given water sample.
: 50ml of standard hard water , containing 1mg pure CaCO3 per ml consumed 20ml EDTA solution.
: 50ml of water sample consumed 30ml EDTA solution using EBT indicator.

Concept: Hardness of Water
Chapter: [1] Water

Define flash point and fire point? Give its significance.

Concept: Definition and significance of - Viscosity
Chapter: [4] Lubricants

State the number of phases I component for the following equilibrium 

i) H2O(s) ↔ H20(l) ↔ H20(g) 
ii)Mixture of Rhombic and monoclinic sulphur.

Concept: One Component System (Water)
Chapter: [5] Phase Rule

What are plasticizers? Give its uses and examples.

Concept: Introduction to Polymers
Chapter: [2] Polymers

Write a brief note on CNTs.

Concept: Nanomaterials - properties and uses of CNTS
Chapter: [6.02] Nanomaterials

Calculate the quantity of the pure lime and soda required for softening of 1,00,000 litres of water containing the following impurities in ppm. The purity of lime is 70% and soda is BS% Ca(HCO3) = 30.2 , Mg(HCO3) = 20.8 ,CaCI2 = 28.1 ,MgCl2 = 8.78, CaSO= 35, MgSO4 = 6.7 .

Concept: Softening of water by Hot and Cold lime Soda method and numerical problems
Chapter: [1] Water

Distinguish between thermoplastic and thermosetting resins. ?

Concept: Thermoplastic Plastic
Chapter: [2] Polymers

What are the functions of lubricants.

Concept: Lubricants
Chapter: [4] Lubricants

What is Decay of concrete? Discuss its prevention. 

Concept: Cement - RCC and Decay
Chapter: [6.01] Cement

Define Fabrication. List the methods used. Discuss extrusion moulding in detail.

Concept: Fabrication of plastic by Extrusion moulding
Chapter: [2] Polymers

What are the limitations of Phase rule?

Concept: Advantages and Limitations of Phase Rule.
Chapter: [5] Phase Rule

Draw a neat, labelled diagram of the rotatory kiln.

Concept: Cement - Manufacture of Portland Cement
Chapter: [6.01] Cement

15000 litres of hard water was passed through a zeolite softener. The exhausted zeolite required 120 litres of NaCI having stream of 30g/l of NaCL Calculate the hardness of water.

Concept: Hardness of Water
Chapter: [1] Water

What is activated sludge? How is the process carried out for treatment of waste water? Explain with a flow sheet diagram.

Concept: Sewage Treatment
Chapter: [1] Water

20ml of lubricating oil was dissolved in alcohol The solution was titrated against 0.1 N KOH solution. At the end point the burette reading was found to be 2. 5ml calculate the acid value of the oil.  ( density of oil= 0.86 g/ml)

Concept: Additives in blended Oils
Chapter: [4] Lubricants

Distinguish between the dry and wet process for manufacturing of Portland cement.

Concept: Cement - Manufacture of Portland Cement
Chapter: [6.01] Cement

List the uses of polymer in medicine and surgery.

Concept: Polymers in Medicine and Surgery
Chapter: [2] Polymers
[6]5.a | Write notes on (any two)

Giass transition temperature 

Concept: Effect of heat on the polymers (Glass transition temperature)
Chapter: [2] Polymers

Write a brief note on conducting polymers.

Concept: Conducting Polymers
Chapter: [2] Polymers


Concept: Rubbers - Compounding of Rubber (Vulcanization of Rubber)
Chapter: [2] Polymers

Discuss the treatment of water using bleaching powder

Concept: Drinking Water Or Municipal Water
Chapter: [1] Water

Explain the mechanism of Extreme pressure lubrication.

Concept: Mechanism of Lubrication
Chapter: [4] Lubricants

What is reduced phase rule"? Draw the phase diagram of the Ag-Pb system with proper labelling.

Concept: Two Component System (Pb- Ag)
Chapter: [5] Phase Rule

What are the conditions for use of solid lubricants? Discuss the structure and uses of Graphite.

Concept: Lubricants - Solid Lubricants S (Graphite and Molybdenum Disulphide )
Chapter: [4] Lubricants

Discuss triple point in one component system

Concept: One Component System (Water)
Chapter: [5] Phase Rule

Explain reverse osmosis

Concept: Drinking Water Or Municipal Water
Chapter: [1] Water

Write a note on fullerene.

Concept: Nanomaterials - Fullerene - properties and uses
Chapter: [6.02] Nanomaterials

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