TUTORIAL 5-PUMP

The pump is a device which converts mechanical energy into.....

• chemical energy

• electrical energy

• hydraulic energy

• nuclear energy

The positive displacement pumps work on the principle of....

• the liquid is discharged due to the positive displacement

• the dynamic action of liquid

• positive velocity

• none of the above

3. Which one of the following is not a positive displacement pump?

• Gear pump

• Vane pump

• Centrifugal pump

• Screw pump

4. The discharge capacity of the reciprocating pump is __________ that of the centrifugal pump.

• higher than

• lower than

• same as

• unpredictable

Centrifugal pump is a type of.....

• rotodynamic pump

• positive displacement pump

• rotary pump

• hand pump

6. Gear pump and vane pump are the types of........

• rotary pump

• reciprocating pump

• centrifugal pump

• none of the above

7. When a pump casing is filled with liquid before it is started, it is called as...................

• A. adiabatic expansion

• B. priming

• C. adiabatic compression

• D. isentropic expansion

Which of the following is the correct classification of pumps?

• Physical principle of operation

• Mechanical principle of operation

• Chemical principle of operation

• Biological principle of operation

9. Consider the following statements :
   i. Capacity of the pump

10. ii. Number of pump units

11. iii. Discharge condition

12. The selection of a particular type of pump depends on which of the following?

• i, ii, iii

• i only

• ii, iii

• i, iii

The ...................of a pump is the rate at which the hydraulic fluid is supplied to a system from the pump in a specified amount of time.

• flow

• delivery

• operating pressure

• actual displacement