Sahrdaya Model Question Paper : BTech

Name of the Organisation : Sahrdaya College of Engineering and Technology (sahrdaya.ac.in)
Type of Announcement : Model Question Paper

Question Papers :
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Home Page : https://www.sahrdaya.ac.in/

Combined I and II Semester B.Tech Degree Examination, April,2013
MODEL QUESTION PAPER
SUBJECT : EN 09 104- ENGINEERING CHEMISTRY
(Common to all branches of B. Tech)
Time : 3 Hours
Maximum Marks : 70
Part – A
Answer all the questions. Each question carries 2 Marks (5 X 2 = 10 Marks)
1. What are liquid crystal polymers. Give one example.
2. What do you mean by break point chlorination
3. Define flash point and fire point of a lubricating oil
4. What is meant by electrochemical series. What is its importance
5. What is stress Corrosion.

Part – B
Answer any four questions, Each question carries 5 Marks ( 4 X 5 = 20 Marks )
6. What are Carbon nanotubes. Give any four applications of it
7. Give an account of the various steps involved in the free radical mechanism for addition polymerization of a vinyl compound
8. Write briefly on compounding of rubber
9. What is M /MA / A- type electrode. Explain the working of such an electrode with a suitable example
10. What is the basic principle involved in the cathodic protection methods for control of corrosion. Explain the sacrificial anodic protection method
11. What are the causes and consequences of photochemical smog

Part -C
Answer (a) or (b) of each questions. Each question carries 10 Marks( 4 X 10 Marks = 40 )
12. (a) What is band theory for conductivity in solids. Explain the conductivity in n-type and p-type semiconductors based on the theory
OR
(b)Describe the principle and procedure involved in the estimation of different types Of hardness present in a water sample.

13. (a) Derive Nernst Equation for a single electrode and give its significance.
(b) Write a note on solar cells
OR
(b) Give a detailed note on different mechanisms of lubrication.

14. (a) (i) What is a salt bridge. What is its significance
(ii)Explain the determination of e.m.f of a cell by Poggendorff ‘s compensation method
OR
(b)Explain (i) The construction and working of a Nickel- Cadmium storage cell
(ii) The mechanism of buffering action of a Basic buffer

15. (a) What are paints . Give an account of the various constituents and their function in a paint with examples
OR
(b) Give an account of different metallic coatings used for corrosion control

Combined First and Second semester B.Tech Degree Examination APRIL 2012
EN09 106 : Basics of Civil and Mechanical Engineering
Instructions:a) Section 1 (Basics of Civil Engineering) and Section 2 (Basics of mechanical Engineering) are to be answered in separate answer –books. b) Assume suitable data wherever necessary
Time: 3hours
Total Marks: 70
Section 1 : Basics of Civil Engineering

Part A (Answer all questions)
1. What is fineness Modulus? Classify the sand on fineness modulus? (2 marks)
2. What are the functions of foundations? (2 marks)
3. What do you mean by formwork? (1 mark)

Part B (Answer any two questions :2x5marks=10 marks)
4. What are the elements of cross section of road?
5. What are the different operations in chain surveying?
6. What are the different methods of preservation of timber?

Part C (Answer section(a)or section(b) of each question :2x10marks=20marks)
7. a) What are the physical and chemical properties of cement ?
OR
b) What are the different types of trusses?

Section II (Basics of Mechanical Engineering)
Part A
Answer all questions
1. Draw an ideal PV diagram of a CI engine (Diesel cycle)? (2 marks)
2. Write short note on nuclear power plant? (2 Marks)
3. Name the main elements in transmission systems? (1 Marks)

Part B
Answer any two questions
4. Derive the efficiency of Brayton cycle? (5 marks)
5. Write short note on thermal power plant? (5 Marks)
6. Write short note on extrusion process? (5 Marks)

Part C
Answer section (a) or section (b) of each questions
7. (a) A pump develops a head of 10 m of water column. The discharge is 600liters/minute. Determine the motor power if the overall efficiency is 0.5 and medium pumped is water?
OR
(b) Discuss about gears and gear trains? (10 Marks)
8. (a) 1. Compare between SI and CI engine? (5 Marks)
2. Explain the working of solar power plants? (5 Marks)
OR
(b) Explain the construction and working of reciprocating pumps. (10 Marks)