All topics included in the chapters have been thoroughly described. Every topic has been written in most logical sequence maintaining the natural flow to keep the students interested. Topics of applications of Power plant engg. have been developed in sequence. The students would be able to get the fundamental concept about all topics included in power plant engineering upto the final year in mechanical engineering, A large number of solved problems on different topics are included. Numerical problems with answers, as well as theoretical questions have been included for the students to practice. The coverage of topics in the book is based on syllabi of universities in Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, Maharashtra, Punjab and West Bengal & other major universities. Clear & simple figures have been included in each chapter for better understanding & also to enable students to draw / reproduce these in the examination easily. In the entire book SI system of units is used.