Q.

Which type of pump is used while handling the sludge disposal system?

A. screw pump
B. multistage pump
C. self-priming pump
D. vertical pump
Answer» A. screw pump
Explanation: screw pumps utilize intermeshing screws driven by timing gears in order to move the viscous liquids. these pumps are used to pump thick liquids. hence it is suitable to handle sludge.
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