INJNTU
d) Why the centrifugal pump impeller vanes backward curved? (2M) e) Define overall efficiency of a turbine. (3M) f) Define and explain the significance of load factor. (2M) PART B 2. a) Describe a simple carburetor with a neat sketch and also state its limitations. (7M) b) Discuss with the help of suitable sketch, the wet pump lubriion