MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The rated discharge is represented by ____________Figure: Characteristic curve of centrifugal well pump. |
| A. | C |
| B. | D |
| C. | E |
| D. | F |
| Answer» C. E | |
| 2. |
Which one of the following is correct?Figure: Characteristic curve of centrifugal well pump. |
| A. | C = Maximum efficiency |
| B. | D = Minimum efficiency |
| C. | C = Rated discharge |
| D. | D = Shutoff head |
| Answer» B. D = Minimum efficiency | |
| 3. |
In the following figure ‘B’ is represented by _______Figure: Characteristic curve of centrifugal well pump |
| A. | Total static head |
| B. | Total dynamic head |
| C. | Shut off head |
| D. | Minimum head |
| Answer» E. | |
| 4. |
Which one of the following represents ‘A’?Figure: Characteristic curve of centrifugal well pump |
| A. | Total static head |
| B. | Total dynamic head |
| C. | Shut off head |
| D. | Minimum head |
| Answer» D. Minimum head | |
| 5. |
The specific speed of the pump is 8000. What is the type of pump? |
| A. | Reciprocating pump |
| B. | Centrifugal pump |
| C. | Mixed flow pump |
| D. | Axial flow pump |
| Answer» E. | |
| 6. |
The unit of specific speed is _____________ |
| A. | Metre/second |
| B. | Metre/second2 |
| C. | Centimetre/second |
| D. | Dimensionless |
| Answer» E. | |
| 7. |
__________ is defined as the speed at which a pump will discharge a unit flow under a unit head at maximum efficiency. |
| A. | Specific speed |
| B. | Average speed |
| C. | Maximum speed |
| D. | Relative speed |
| Answer» B. Average speed | |
| 8. |
The diameter of turbine used in centrifugal well pump is _____________ |
| A. | 50cm |
| B. | 64cm |
| C. | 15cm |
| D. | 100cm |
| Answer» D. 100cm | |
| 9. |
The maximum number of impellers in a centrifugal well pump is _____________ |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» B. 30 | |
| 10. |
___________IS_DEFINED_AS_THE_SPEED_AT_WHICH_A_PUMP_WILL_DISCHARGE_A_UNIT_FLOW_UNDER_A_UNIT_HEAD_AT_MAXIMUM_EFFICIENCY.?$ |
| A. | Specific speed |
| B. | Average speed |
| C. | Maximum speed |
| D. | Relative speed |
| Answer» B. Average speed | |
| 11. |
The specific speed of the pump is 8000. What is the type of pump?$ |
| A. | Reciprocating pump |
| B. | Centrifugal pump |
| C. | Mixed flow pump |
| D. | Axial flow pump |
| Answer» E. | |
| 12. |
The_unit_of_specific_speed_is$ |
| A. | Metre/second |
| B. | Metre/second<sup>2</sup> |
| C. | Centimetre/second |
| D. | Dimensionless |
| Answer» E. | |
| 13. |
Which one of the following represents ‘A’?$ |
| A. | Total static head |
| B. | Total dynamic head |
| C. | Shut off head |
| D. | Minimum head |
| Answer» C. Shut off head | |
| 14. |
Which part of centrifugal well pumps prevents the back flow through the pump? |
| A. | Delivery pipe |
| B. | Foot valve |
| C. | Strainer |
| D. | Check valve |
| Answer» E. | |
| 15. |
Which part of centrifugal well pumps act as a self priming device? |
| A. | Delivery pipe |
| B. | Foot valve |
| C. | Strainer |
| D. | Check valve |
| Answer» D. Check valve | |
| 16. |
_______ is provided at the entrance of suction pipe during centrifugal pump installation. |
| A. | Delivery pipe |
| B. | Foot valve |
| C. | Strainer |
| D. | Check valve |
| Answer» D. Check valve | |
| 17. |
The diameter of turbine used in centrifugal well pump is |
| A. | 50cm |
| B. | 64cm |
| C. | 15cm |
| D. | 100cm |
| Answer» D. 100cm | |
| 18. |
The maximum number of impellers in a centrifugal well pump is |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» B. 30 | |
| 19. |
How many types of hand pumps are used? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 20. |
Which type of pump is specifically used for shallow wells? |
| A. | Hand pump |
| B. | Reciprocating pump |
| C. | Jet pump |
| D. | Centrifugal pump |
| Answer» B. Reciprocating pump | |
| 21. |
Which of the following pump is not an example of well pump? |
| A. | Hand pumps |
| B. | Steam engine pumps |
| C. | Jet pumps |
| D. | Centrifugal pumps |
| Answer» C. Jet pumps | |