MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Hydraulic Machines knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Vertical centrifugal pumps are also called as cantilever pumps. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
PHE stands for __________ |
| A. | Pump Hydraulic efficiency |
| B. | Pressure Hydraulic efficiency |
| C. | Power Hydraulic efficiency |
| D. | Pump hydraulic engine |
| Answer» B. Pressure Hydraulic efficiency | |
| 3. |
Power is most commonly expressed as ________ |
| A. | m |
| B. | kW |
| C. | m3/s |
| D. | /s |
| Answer» C. m3/s | |
| 4. |
The head added by the pump is a sum of _________ |
| A. | Pressure |
| B. | Static lift |
| C. | Volume |
| D. | Flow rate |
| Answer» C. Volume | |
| 5. |
POWER_IS_MOST_COMMONLY_EXPRESSED_AS_________?$ |
| A. | m |
| B. | kW |
| C. | m3/s |
| D. | /s |
| Answer» C. m3/s | |
| 6. |
Vertical centrifugal pumps are also called as cantilever pumps.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
PHE_stands_for___________$ |
| A. | Pump Hydraulic efficiency |
| B. | Pressure Hydraulic efficiency |
| C. | Power Hydraulic efficiency |
| D. | Pump hydraulic engine |
| Answer» B. Pressure Hydraulic efficiency | |
| 8. |
Which among the following is used in mineral industries? |
| A. | Vertical pumps |
| B. | Horizontal pumps |
| C. | Froth pumps |
| D. | Multistage pumps |
| Answer» D. Multistage pumps | |
| 9. |
Vertical pumps utilize unique shaft and bearing support configuration. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
With increase in power, the efficiency_________ |
| A. | Decreases |
| B. | Increases |
| C. | Remains same |
| D. | Independent |
| Answer» B. Increases | |
| 11. |
The head added by the pump is a sum of ________? |
| A. | Pressure |
| B. | Static lift |
| C. | Volume |
| D. | Flow rate |
| Answer» C. Volume | |
| 12. |
With the increase in energy head, efficiency ________ |
| A. | Decreases |
| B. | Increases |
| C. | Remains same |
| D. | Independent |
| Answer» C. Remains same | |
| 13. |
What is the unit of energy head? |
| A. | m |
| B. | m/s |
| C. | m3/s |
| D. | /s |
| Answer» B. m/s | |
| 14. |
The ratio of manometric head to the work head is called _______ |
| A. | Manometric head |
| B. | Euler head |
| C. | Pressure head |
| D. | Shaft head |
| Answer» C. Pressure head | |
| 15. |
The difference in the total head of the pump is called _______ |
| A. | Manometric head |
| B. | Euler head |
| C. | Pressure head |
| D. | Shaft head |
| Answer» B. Euler head | |
| 16. |
Pump efficiency is defined as the ratio of ___________ |
| A. | Pressure to temperature |
| B. | Temperature to pressure |
| C. | Water horsepower to pump horsepower |
| D. | Pump horse power to water horse power |
| Answer» D. Pump horse power to water horse power | |
| 17. |
With the increase in the flow rate, efficiency ______ |
| A. | Decreases |
| B. | Increases |
| C. | Remains same |
| D. | Independent |
| Answer» C. Remains same | |
| 18. |
What is the unit of flow rate? |
| A. | kg.m |
| B. | kg/m |
| C. | m3/s |
| D. | /s |
| Answer» D. /s | |