JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU, B.Tech,I-Semester, MECHANICAL AND ELECTRICAL SCIENCE, November 2008 (Civil Engineering) SET-2   1. (a) Discuss the various applications of an I.C. Engine. (b) What is FP? Define mechanical efficiency and explain its importance.   2. What factors are considered in selecting a refrigerant in following systems and mention the name of the refrigerant used in … Read more JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU, B.Tech,I-Semester, MECHANICAL AND ELECTRICAL SCIENCE, November 2008 (Civil Engineering) SET-3     1. (a) Define: i. Bore ii. Stroke iii. Displacement of an I.C. Engine and mention their units. (b) With neat sketches explain the working of 4-stroke cycle petrol engine.   2. (a) What are the disadvantages of wet compression? (b) Explain the … Read more JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU, B.Tech,I-Semester, MECHANICAL AND ELECTRICAL SCIENCE, November 2008 (Civil Engineering) SET-4     1. (a) What is the function of a carburettor in an I.C. engine? (b) Explain with the help of a neat sketch, the working of a two stroke petrol engine.   2. (a) What is the difference between air-cooling and air-conditioning? (b) … Read more JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU,B.Tech,I- Semester, BIO CHEMISTRY, November 2008

JNTU,B.Tech,I- Semester, BIO CHEMISTRY, November 2008 (Bio-Technology) SET-1   1. In what forms carbohydrates are stored in plants and animals. Give the structural Formulae for the constituents concerned. Write short note on it.   2. How the glucose level of blood is maintained in animals? Discuss the role of Hormones in sugar regulation in the … Read more JNTU,B.Tech,I- Semester, BIO CHEMISTRY, November 2008

JNTU, B.Tech,I-Semester, GENETICS,November 2008

JNTU, B.Tech,I-Semester, GENETICS,November 2008 (Bio-Technology) SET-2     1. Describe Griffith’s initial experiments to explain the process of transformation.   2. Write short notes on: (a) Nucleosome structure (b) Histones.   3. Describe briefly the molecular mechanisms accruing during uptake of naked DNA by bacterial cells.   4. Describe a Two-point testcross in detail. 5. … Read more JNTU, B.Tech,I-Semester, GENETICS,November 2008

JNTU, B.Tech,I-Semester, GENETICS,November 2008

JNTU, B.Tech,I-Semester, GENETICS,November 2008 (Bio-Technology) SET-3   1. Justify, ”genes are affected by environment.”   2. Explain in detail the Nucleosome Solenoid model of DNA packing.   3. What are linked genes? Do they show recombination? Explain.   4. Explain what is meant by mitotic crossing over?   5. Write notes on: (a) Down’s syndronme … Read more JNTU, B.Tech,I-Semester, GENETICS,November 2008