*Wator TurbinoEngineering Division, Bharat Heavy Electricals Limited, Bhopal, (M.P.). (Presently Visiting Engineer, Boving & Co. Ltd., Villiers House, 41-47 Strand, London WC2N (5LB)
**Department of Mechanical Engineering, Thapar College of Engineering and Technology, Patiala (Punjab).
†BHEL (ESNP), Ansal Bhawan, 16, Kasturba Gandhi Marg, New Delhi. [Formerly Assistant Professor (Fluid Mechanics and Hydmulic Machines), Maulana Azad Regional College of Tochnology, Bhopal (M.P.)]