T4Tutorials .PK

Chapter 13 PUMPS, TUBEWELLS AND TURBINES MCQs

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

(A) Hydraulic energy


(B) Potential energy


(C) Kinetic energy


(D) Vibration




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

(A) Lower level to higher level


(B) Top to bottom


(C) Left to right


(D) None of these




3. . Piston pump is the type of ______________.

(A) Dynamic Pump


(B) Turbine


(C) Tubewell


(D) Positive Displacement Pump




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

(A) Impeller


(B) Casing


(C) Shaft


(D) Fan




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.

(A) Stuffing Box


(B) Tubewell


(C) Casing


(D) Shaft




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

(A) Board


(B) Switch


(C) Motor


(D) Impeller




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

(A) Tubewell


(B) Pump


(C) Wind Turbine


(D) Jet Turbine




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__________.

(A) GI pipe


(B) Stainless steel pipe


(C) Open pipe


(D) Suction Pipe




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

(A) Motor


(B) Generator


(C) Housing or bowl


(D) Gas Turbine




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

(A) Turbine


(B) Tubewell


(C) Pump


(D) Electric Motor




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

(A) Centrifugal Pump


(B) Piston Pump


(C) Positive Displacement


(D) None of these




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

(A) Motor


(B) Electricity


(C) Fluid


(D) Priming




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

(A) Head assembly


(B) Impeller


(C) Groundwater


(D) All of these




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

(A) None of these


(B) Turbine


(C) Jet Engine


(D) Shaft assembly




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