Q3. What are Gear pumps? Why they are noise in operations? Why they are categorized in the positive displacement type of pumps. What are the common problems associated with the gear pumps. Write the benefits of gear pumps. (Al least 10 benefits ) (B) Write the difference between the screw compressor and the Centrifugal compressor? Write the criteria for the selection of above compressors. Differentiate the advantages and disadvantages of each type of compressors . (At least 10 advantages and disadvantages should be mentioned ) (Note you can take the help of picture of pictures to explain the different parts details of each type of compressor)

Q3. What are Gear pumps? Why they are noise in operations? Why they are categorized in the positive displacement type of pumps. What are the common problems associated with the gear pumps. Write the benefits of gear pumps. (Al least 10 benefits ) (B) Write the difference between the screw compressor and the Centrifugal compressor? Write the criteria for the selection of above compressors. Differentiate the advantages and disadvantages of each type of compressors . (At least 10 advantages and disadvantages should be mentioned ) (Note you can take the help of picture of pictures to explain the different parts details of each type of compressor)