Chapter 13 PUMPS, TUBEWELLS AND TURBINES MCQs

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1. . A pump is a device, which converts mechanical energy (in case of engine) or electrical energy (in case of motor) into _________.





2. . Irrigation pumps are used to pump water from a________________.





3. . Piston pump is the type of ______________.





4. . Rotating part of pump or turbine that provides centrifugal acceleration to the fluids is called_______.





5. . The portion of pump that houses the packing or mechanical seal is called_______. It is usually referred to as dry portion of pump. The ________ is in the back of the impeller and around the shaft.





6. . The shaft transfers the torque from ______ to the impeller during startup and operation of pump.





7. . A long pipe or tube which is bored or drilled deep into the ground intercepting one or more water bearing stratum is called________.





8. . The pipe in the tubewell runs from pump to the source of water which carries groundwater from aquifer to the center line of pump is known as__________.





9. . Deep-well turbine pumps are used to pump groundwater consist of_________, impellers and a shaft, all of which are installed in the well.





10. . Submersible pumps are a modification of deep-well turbines for which the _________ is installed in the well, instead of at the ground surface.





11. . The turbine pumps which is a specific type of ____________





12. . The vertical turbine pump can initiated without __________ with the submerged impellers.





13. . Column assembly connects the bowl assembly with _________ and forms a medium for lifting the water up.





14. . The head assembly consists of Base from which the column, ________ and bowl assembly are suspended.





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