Saturday, May 30, 2015

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]

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