MCQOPTIONS
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MCQOPTIONS
This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_____ pumps give a larger discharge. |
| A. | Suction |
| B. | Reciprocating |
| C. | Centrifugal |
| D. | Positive displacement |
| Answer» D. Positive displacement | |
| 2. |
What is the practical maximum suction lift in a reciprocating pump? |
| A. | 3.5 m |
| B. | 4.5 m |
| C. | 5 m |
| D. | 6.5 m |
| Answer» E. | |
| 3. |
Volute is a type of _____________ |
| A. | Delivery pipe |
| B. | Casing |
| C. | Impeller |
| D. | Suction pipe |
| Answer» C. Impeller | |
| 4. |
The work done against friction is reduced due to _____________ |
| A. | Impeller |
| B. | Priming |
| C. | Air vessel |
| D. | Vortex |
| Answer» D. Vortex | |
| 5. |
The phenomenon of separation can also be known as ___________ |
| A. | Cavitation |
| B. | Priming |
| C. | Positive head |
| D. | Pulsate |
| Answer» B. Priming | |
| 6. |
If the absolute pressure falls below ___________ m, the pump prone to separation. |
| A. | 3 m |
| B. | 2 m |
| C. | 1.5 m |
| D. | 2.5 m |
| Answer» E. | |
| 7. |
________ reduces the possibility of separation. |
| A. | Air vessels |
| B. | Casing |
| C. | Impeller |
| D. | Vortex |
| Answer» B. Casing | |
| 8. |
_____ slip occurs, when the delivery pipe is short and the suction pipe is long. |
| A. | Positive |
| B. | Critical |
| C. | Negative |
| D. | Zero |
| Answer» C. Negative | |
| 9. |
_____ is a phenomenon by which the study and continuous flow of liquid are obstructed. |
| A. | Slip |
| B. | Separation |
| C. | Air vessels |
| D. | Knockage |
| Answer» C. Air vessels | |
| 10. |
____ is the difference between theoretical discharge and the actual discharge of the pump. |
| A. | Crank |
| B. | Hook |
| C. | Slip |
| D. | Centile |
| Answer» D. Centile | |
| 11. |
What is the example for a centrifugal pump? |
| A. | Reciprocating pump |
| B. | Suction pump |
| C. | Rotodynamic pump |
| D. | Delivery pump |
| Answer» D. Delivery pump | |
| 12. |
Calculate that torque, if the diameter of the shaft is 50 mm and revolutions @ 130 rpm. The maximum shear stress is 62.5 N/mm2. |
| A. | 1564 Nm |
| B. | 1478 Nm |
| C. | 1534 Nm |
| D. | 1494 Nm |
| Answer» D. 1494 Nm | |
| 13. |
THE_PHENOMENON_OF_SEPARATION_CAN_ALSO_BE_KNOWN_AS____?$ |
| A. | Cavitation |
| B. | Priming |
| C. | Positive head |
| D. | Pulsate |
| Answer» B. Priming | |
| 14. |
IF_THE_ABSOLUTE_PRESSURE_FALLS_BELOW_____M,_THE_PUMP_PRONE_TO_SEPARATION.?$ |
| A. | 3 m |
| B. | 2 m |
| C. | 1.5 m |
| D. | 2.5 m |
| Answer» E. | |
| 15. |
Volute is a type of ________$ |
| A. | Delivery pipe |
| B. | Casing |
| C. | Impeller |
| D. | Suction pipe |
| Answer» C. Impeller | |
| 16. |
The work done against friction is reduced due to _____$ |
| A. | Impeller |
| B. | Priming |
| C. | Air vessel |
| D. | Vortex |
| Answer» D. Vortex | |
| 17. |
_____ pumps give larger discharge. |
| A. | Suction |
| B. | Reciprocating |
| C. | Centrifugal |
| D. | Positive displacement |
| Answer» D. Positive displacement | |
| 18. |
What is the practical maximum suction lift in reciprocating pump? |
| A. | 3.5 m |
| B. | 4.5 m |
| C. | 5 m |
| D. | 6.5 m |
| Answer» E. | |
| 19. |
______ pumps, the torque is uniform. |
| A. | Reciprocating pump |
| B. | Suction pump |
| C. | Delivery pump |
| D. | Centrifugal pump |
| Answer» E. | |
| 20. |
________ reduces the possibility of separation? |
| A. | Air vessels |
| B. | Casing |
| C. | Impeller |
| D. | Vortex |
| Answer» B. Casing | |
| 21. |
_____ slip occurs, when the delivery pipe is short and suction pipe is long. |
| A. | Positive |
| B. | Critical |
| C. | Negative |
| D. | Zero |
| Answer» C. Negative | |
| 22. |
Negative slip occurs when the______ is more than theoretical discharge. |
| A. | Virtual discharge |
| B. | Actual discharge |
| C. | Mean discharge |
| D. | Mode discharge |
| Answer» C. Mean discharge | |
| 23. |
_____ is a phenomenon by which the study and continuous flow of liquid is obstructed. |
| A. | Slip |
| B. | Separation |
| C. | Air vessels |
| D. | Knockage |
| Answer» C. Air vessels | |
| 24. |
____ is the difference between theoretical discharge and actual discharge of the pump. |
| A. | Crank |
| B. | Hook |
| C. | Slip |
| D. | Centile |
| Answer» D. Centile | |
| 25. |
Reciprocating pump is an example of ___________ |
| A. | Positive displacement pump |
| B. | Delivery pump |
| C. | Suction pump |
| D. | Rotodynamic pump |
| Answer» B. Delivery pump | |
| 26. |
What is the example for centrifugal pump? |
| A. | Reciprocating pump |
| B. | Suction pump |
| C. | Rotodynamic pump |
| D. | Delivery pump |
| Answer» D. Delivery pump | |
| 27. |
Calculate that torque, if the diameter of the shaft is 50 mm and revolutions @ 130 rpm. The maximum shear stress is 62.5 N/mm2. |
| A. | 1564 Nm |
| B. | 1478 Nm |
| C. | 1534 Nm |
| D. | 1494 Nm |
| Answer» D. 1494 Nm | |