F 811010 Pages:2
Reg. No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIRST SEMESTER B.TECH DEGREE EXAMINATION, JANUARY 2017
111100: BASICS OF MECHANICAL ENGINEERING

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any two questions

1. a) Discuss different modes of heat transfer. (3)

b) Differentiate between enthalpy and entropy. (3)

c) Derive an expression for the air standard efficiency of Otto cycle. (9)
2. a) Differentiate between closed and open cycle type of gas turbines. (3)

b) Explain the term cavitation. (3)

0 With the help of a neat diagram, explain the working of an SI engine which
develops one power stroke during two crank rotations. (9)
3. a) Discuss the various functions of a draft tube. (3)
b) Explain the term specific heat at constant volume and constant pressure (3)

0 In an Ideal diesel cycle, the temperature at the beginning and end of compression is
65C and 620C respectively. The temperature at the beginning and end of the