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,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008

JNTU, B.Tech,I-Semester, MECHANICAL AND ELECTRICAL SCIENCE, November 2008 (Civil Engineering) SET-1   1. (a) Under what situation, two stroke cycle engine is preferred to four stroke cycle engine. (b) A 2-stroke C.I engine develops a brake power of 400 kw while its friction power is 80 kw. The fuel consumption of the engine is 200kg/hr … Read more JNTU, B.Tech,I-Semester,MECHANICAL AND ELECTRICAL SCIENCE, November ,2008