Saturday, December 19, 2015

April May 2003 Applied Chemistry Question Paper of Gujarat University B.Sc Exam

Looking for Gujarat University Question Papers asked in previous years ? You can here download April May 2003 Applied Chemistry Question Paper.
NA–852 Seat No. ______
First Year B. Sc. (Fire) Examination
April / May – 2003
Applied Chemistry
Time : 3 Hours] [Total Marks : 100
Instructions : (1) All questions are compulsory.
(2) Figures on the right indicate full marks.
(3) Draw neat figures, wherever required
Non-programmable scientific calculators are
allowed.
1 (a) State the Carnot's theorem and explain Carnot's cycle 14 for the efficiency of the reversible cycle.
(b) Discuss the first law of thermochemistry.
(c) Give the IUPAC names of the following compounds




Saturday, May 30, 2015

JNTUK R07A1BS04 APPLIED CHEMISTRY BTech Civil 2011 Question Paper

JNTUK R07A1BS04 APPLIED CHEMISTRY BTech Civil 2011 Question Paper
Question Paper University : Jawaharlal Nehru Technlogical University , Kakinada.
Question Paper Course  :  B.Tech 1st year.
Question Paper Branch  : Civil Engineering.
Question Paper Subject code :  R07A1BS04.
Question Paper Subject  : APPLIED CHEMISTRY.
Question Paper Year of Exam  : June 2011.
Question Paper Attachment : Text
Question Paper Set : 1 to 4.
Question Paper Version : Type Version.

Code No: R07A1BS04 R07 Set No. 2
I B.Tech Examinations,May 2011
APPLIED CHEMISTRY
Civil Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks

1. (a) What is pyrometric cone equivalent? How it is determined for a refractory? What is it significance?
(b) Write a very short notes on [6+10]
i. Porosity
ii. Thermal Conductivity
iii. Dimensional Stability
iv. Strength.

2. Write short notes on the following: [4+4+4+4]
(a) Sedimentation and co-agulation
(b) Impurities in water
(c) Hardness of water
(d) Chlorination.

3. Write preparation, properties and use of
(a) phenol-formaldehyde resins
(b) silicone rubber. [16]

4. Write short notes on: [16]
(a) Constituents of cement,
(b) White cement,
(c) RCC,
(d) Tensile strength test.

5. (a) Write a critical account on electrochemical theory of corrosion.
(b) How are the metals protected against corrosion by modifying the environment give suitable examples. [8+8]

6. Distinguish between the following: [6+6+4]
(a) Scales and Sludges
(b) Soft water and demineralised water.
(c) Lime soda process and demineralization of water.

7. (a) What is Anodizing? How is Anodizing on Al carried out?
(b) How is metal spraying done on metal surfaces? What are its applications? [8+8]

8. (a) Comment on lubricants used for transformers.
(b) What are the criteria of a good with lubricant?
(c) Mention the types of greases with examples. [6+4+6]

Code No: R07A1BS04 R07 Set No. 4
I B.Tech Examinations,May 2011
APPLIED CHEMISTRY
Civil Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks

1. Write short notes on the following: [4+4+4+4]
(a) Sedimentation and co-agulation
(b) Impurities in water
(c) Hardness of water
(d) Chlorination.

2. (a) Write a critical account on electrochemical theory of corrosion.
(b) How are the metals protected against corrosion by modifying the environment give suitable examples. [8+8]

3. Write short notes on: [16]
(a) Constituents of cement,
(b) White cement,
(c) RCC,
(d) Tensile strength test.

4. (a) What is pyrometric cone equivalent? How it is determined for a refractory? What is it significance?
(b) Write a very short notes on [6+10]
i. Porosity
ii. Thermal Conductivity
iii. Dimensional Stability
iv. Strength.

5. Write preparation, properties and use of
(a) phenol-formaldehyde resins
(b) silicone rubber. [16]

6. (a) What is Anodizing? How is Anodizing on Al carried out?
(b) How is metal spraying done on metal surfaces? What are its applications? [8+8]

7. (a) Comment on lubricants used for transformers.
(b) What are the criteria of a good with lubricant?
(c) Mention the types of greases with examples. [6+4+6]

8. Distinguish between the following: [6+6+4]
(a) Scales and Sludges
(b) Soft water and demineralised water.
(c) Lime soda process and demineralization of water.

Code No: R07A1BS04 R07 Set No. 1
I B.Tech Examinations,May 2011
APPLIED CHEMISTRY
Civil Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks

1. (a) Write a critical account on electrochemical theory of corrosion.
(b) How are the metals protected against corrosion by modifying the environment give suitable examples. [8+8]

2. (a) What is pyrometric cone equivalent? How it is determined for a refractory? What is it significance?
(b) Write a very short notes on [6+10]
i. Porosity
ii. Thermal Conductivity
iii. Dimensional Stability
iv. Strength.

3. Write short notes on the following: [4+4+4+4]
(a) Sedimentation and co-agulation
(b) Impurities in water
(c) Hardness of water
(d) Chlorination.

4. Write short notes on: [16]
(a) Constituents of cement,
(b) White cement,
(c) RCC,
(d) Tensile strength test.

5. Write preparation, properties and use of
(a) phenol-formaldehyde resins
(b) silicone rubber. [16]

6. (a) Comment on lubricants used for transformers.
(b) What are the criteria of a good with lubricant?
(c) Mention the types of greases with examples. [6+4+6]

7. Distinguish between the following: [6+6+4]
(a) Scales and Sludges
(b) Soft water and demineralised water.
(c) Lime soda process and demineralization of water.

8. (a) What is Anodizing? How is Anodizing on Al carried out?
(b) How is metal spraying done on metal surfaces? What are its applications? [8+8]

Code No: R07A1BS04 R07 Set No. 3
I B.Tech Examinations,May 2011
APPLIED CHEMISTRY
Civil Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks

1. Distinguish between the following: [6+6+4]
(a) Scales and Sludges
(b) Soft water and demineralised water.
(c) Lime soda process and demineralization of water.

2. Write short notes on: [16]
(a) Constituents of cement,
(b) White cement,
(c) RCC,
(d) Tensile strength test.

3. Write short notes on the following: [4+4+4+4]
(a) Sedimentation and co-agulation
(b) Impurities in water
(c) Hardness of water
(d) Chlorination.

4. (a) What is Anodizing? How is Anodizing on Al carried out?
(b) How is metal spraying done on metal surfaces? What are its applications? [8+8]

5. (a) What is pyrometric cone equivalent? How it is determined for a refractory? What is it significance?
(b) Write a very short notes on [6+10]
i. Porosity
ii. Thermal Conductivity
iii. Dimensional Stability
iv. Strength.

6. (a) Write a critical account on electrochemical theory of corrosion.
(b) How are the metals protected against corrosion by modifying the environment give suitable examples. [8+8]

7. (a) Comment on lubricants used for transformers.
(b) What are the criteria of a good with lubricant?
(c) Mention the types of greases with examples. [6+4+6]

8. Write preparation, properties and use of
(a) phenol-formaldehyde resins
(b) silicone rubber. [16]

Friday, May 29, 2015

Sathyabama University December 2010 Applied chemistry-I

Sathyabama University December 2010 Applied chemistry-I
Register Number







                               
SATHYABAMA UNIVERSITY
(Established under section 3 of UGC Act, 1956)

Course & Branch: B.E/B.Tech-AERO/M&P/IT/CSE/MECH/
ETCE/BTE
Title of the Paper: Applied Chemistry – I/Applied Chemistry
 Max. Marks: 80
Sub. Code: 4ET104/5ET104/6C0004 (2004/05/06) Time: 3 Hours
Date: 04/12/2010                                                      Session: FN
______________________________________________________________________________________________________________________

PART - A                (10 X 2 = 20)
Answer ALL the Questions

1.     Differentiate between scale and sludge.
 
2.     What is break point chlorination?

3.     Define the term functionality. Give one example.

4.     What is a thermoplastic?  Give one example.

5.     What is acid rain?

6.     What is BOD?  Mention its significance.

7.     What is the function of gypsum in cement?

8.     Define the term refractoriness.

9.     What is the composition of RDX?

10.   What is powder metallurgy?

PART – B                       (5 x 12 = 60)
Answer All the Questions

11.   (a) What is lime-soda process of water softening?  Give the chemical reactions involved during the softening process.
        (b) With a neat diagram explain the reverse osmosis method of desalination.
(or)
12.   (a) How will you estimate hardness of water by EDTA method?  Explain.
(b) Describe the principle involved in the zeolite process of treatment of water.

13.   (a) Explain the terms with two suitable examples
        (i) Addition polymerization
        (ii) Co-polymerization.
(b) What are the ingredients used in compounding of plastics? Explain their function.
(or)
14.   (a) With chemical equations, show the preparation of Bakelite.  Mention its important properties.
(b) With a neat diagram explain the functioning of a Extrusion moulding machine.

15.   (a) What is COD? How is it determined?
        (b) Explain the trickling filter method of sewage treatment.
(or)
16.   (a) Discuss the Biochemical effects of Lead and Mercury.
        (b) How is Ozone formed and depleted in nature?  Explain.

17.   a) Explain the manufacture of cement by Wet process.
b) What are refractories? How are they classified? Give examples.
(or)
18.   (a) Write the chemical reactions that take place during setting and hardening of cement.
(b) Explain the significance of the following properties of refractory materials. (i) Porosity     (ii) Thermal spalling.
19.   (a) What are explosives?  How are they classified? Give examples.
        (b) Explain the following methods of preparation of metal/ alloy powder    (i) Atomization               (ii) Electrolytic process.
(or)
20.   (a) What are rocket propellants?  Mention their important characteristics.
        (b) Write a brief note on
                (i) Compacting
                (ii) Sintering.




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