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Question Paper Solutions for Applied Chemistry 1 CBCGS 2016-2017 BE Chemical Engineering Semester 1 (FE First Year)

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Applied Chemistry 1
2016-2017 December
Marks: 60


What is the role of polymer in medicine and surgery ?Explain with the help of any three examples?

Chapter: [2] Polymers
Concept: Polymers in Medicine and Surgery

Distinguish between alkaline and non alkaline hardness?

Chapter: [1] Water
Concept: Hardness of Water

State the limitations of phase rule?

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

What are carbon nanotubes? Explain different types of carbon  nanotubes?

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

When would solid lubricants are used?

Chapter: [4] Lubricants
Concept: Lubricants

6ml of waste water was refluxed with 25ml ofK2Cr2 O7 solution and after refluxing the excess unreacted dichromate required 20ml of 0. 1 N FAS solution. A blank of distilled water on refluxing with 25 ml of K2Cr2O7 solution required 35ml of 0. 1 N FAS solution . Calculate the COD of the waste water sample.

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

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 .

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

Distinguish between thermoplastic and thermosetting resins. ?

Chapter: [2] Polymers
Concept: Thermoplastic Plastic

Define flash and fire points.

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

Witte the CVD method for preparation of carbon nanotubes.

Chapter: [6.02] Nanomaterials
Concept: Nanomaterials - preparation (Laser and CVD) method

What is meant by Fabrication of plastics? Explain injection moulding with the help of neat diagram .

Chapter: [2] Polymers
Concept: Fabrication of Plastic by Injection

State the condensed phase role.

Chapter: [5] Phase Rule
Concept: Terms involved with examples of phase rule

How is gypsum useful in setting and hardening of cement?

Chapter: [6.01] Cement
Concept: Cement - Setting and Hardening of Portland Cement

The hardness of 85000 litres of water sample was removed by passing it through a zeolite softener. The zeolite required 2000 litres of NaCl solution containing 190 mg/lit of NaCl for regeneration. calculate the hardness of sample.

Chapter: [1] Water
Concept: Zeolite process and numerical problems

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

Chapter: [1] Water
Concept: Sewage Treatment

1.4 gm of oil required 1.8 ml of 0.01N KOH for neutralization. Calculate the acid value and mention whether the oil is suitable to be used or not.

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

Write the applications of Fullerenes.

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

What is the functions of fillers and plastisizers in the compounding of plastic?

Chapter: [2] Polymers
Concept: Compounding of Plastic

Write the preparation, properties and uses of PMMA and Buna-S.

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

What are the advantages of ion exchange process?

Chapter: [1] Water
Concept: Ion Exchange Process and Numerical Problems

What is oiliness? What is its importance in lubrication?

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

What is the application of phase rule to one component water system? Explain with the help of diagram.

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

Define lubricants and lubrication. Discuss the hydrodynamic lubrication in detail.

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

Define phase ,component and degree of freedom.

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

What are the industrial application of ultrafiltration ?

Chapter: [6.01] Cement
Concept: Cement - Chemical Composition and Constitution of Portland Cement

What is RCC? Write the advantages of it.

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

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University of Mumbai previous year question papers Semester 1 (FE First Year) Applied Chemistry 1 with solutions 2016 - 2017

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