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Applied Chemistry 1 CBCGS 2016-2017 BE Civil Engineering Semester 1 (FE First Year) Question Paper Solution

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

Academic Year: 2016-2017
Date: December 2016
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[15]1
[3]1.a

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

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Chapter:
[3]1.b

Distinguish between alkaline and non alkaline hardness?

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Chapter: [1] Water
[3]1.c

State the limitations of phase rule?

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Chapter: [5] Phase Rule
[3]1.d

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

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Chapter: [6.02] Nanomaterials
[3]1.e

When would solid lubricants are used?

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Chapter: [4] Lubricants
[3]1.f

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.

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Chapter: [1] Water
[15]2
[6]2.a

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 .

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Chapter: [1] Water
[5]2.b
[3]2.b.1

Distinguish between thermoplastic and thermosetting resins. ?

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Chapter: [2] Polymers
[2]2.b.2

Define flash and fire points.

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Chapter: [4] Lubricants
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[3]2.c

Witte the CVD method for preparation of carbon nanotubes.

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Chapter: [6.02] Nanomaterials
[15]3
[6]3.a

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

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Chapter: [2] Polymers
[5]3.b
[3]3.b.1

State the condensed phase role.

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Chapter: [5] Phase Rule
[2]3.b.2

How is gypsum useful in setting and hardening of cement?

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Chapter: [6.01] Cement
[4]3.c

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.

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Chapter: [1] Water
[15]4
[6]4.a

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

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Chapter: [1] Water
[5]4.b
[3]4.b.1

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.

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Chapter: [4] Lubricants
[2]4.b.2

Write the applications of Fullerenes.

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Chapter: [6.02] Nanomaterials
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[4]4.c

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

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Chapter: [2] Polymers
[15]5
[6]5.a

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

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Chapter: [2] Polymers
[5]5.b
[3]5.b.1

What are the advantages of ion exchange process?

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Chapter: [1] Water
[2]5.b.2

What is oiliness? What is its importance in lubrication?

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Chapter: [4] Lubricants
[4]5.c

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

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Chapter: [5] Phase Rule
[15]6
[6]6.a

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

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Chapter: [4] Lubricants
[5]6.b
[3]6.b.1

Define phase ,component and degree of freedom.

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Chapter: [5] Phase Rule
[2]6.b.2

What are the industrial application of ultrafiltration ?

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Chapter: [6.01] Cement
[4]6.c

What is RCC? Write the advantages of it.

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Chapter: [6.01] Cement

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