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. |
If the slip is above 5 percent, the pumps needs to be ______ |
| A. | Dragged |
| B. | Overhauled |
| C. | Retracted |
| D. | Intermittent |
| Answer» C. Retracted | |
| 2. |
For a good condition, slip should be________ |
| A. | Below 1 percent |
| B. | 1 to 2 percent |
| C. | 3 to 4 percent |
| D. | Above 5 percent |
| Answer» B. 1 to 2 percent | |
| 3. |
Centrifugal pumps are used to transport ________ |
| A. | Pressure |
| B. | Speed |
| C. | Power |
| D. | Fluid |
| Answer» E. | |
| 4. |
Airlift pumps are widely used in aquaculture to pump. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The amount of fluid that leaks internally is called ________ |
| A. | Head race |
| B. | Slip |
| C. | Tail race |
| D. | Internal friction |
| Answer» C. Tail race | |
| 6. |
AIRLIFT_PUMPS_ARE_WIDELY_USED_IN_AQUACULTURE_TO_PUMP.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
For a good condition, slip should be________$ |
| A. | Below 1 percent |
| B. | 1 to 2 percent |
| C. | 3 to 4 percent |
| D. | Above 5 percent |
| Answer» B. 1 to 2 percent | |
| 8. |
Centrifugal_pumps_are_used_to_transport_________$ |
| A. | Pressure |
| B. | Speed |
| C. | Power |
| D. | Fluid |
| Answer» E. | |
| 9. |
Slip in a pump depends on which of following parameters? |
| A. | Wear |
| B. | Pressure |
| C. | Temperature |
| D. | Heat |
| Answer» B. Pressure | |
| 10. |
If_the_slip_is_above_5_percent,_the_pumps_needs_to_be_______ |
| A. | Dragged |
| B. | Overhauled |
| C. | Retracted |
| D. | Intermittent |
| Answer» C. Retracted | |
| 11. |
The amount of fluid that leaks internally is called _______? |
| A. | Head race |
| B. | Slip |
| C. | Tail race |
| D. | Internal friction |
| Answer» C. Tail race | |
| 12. |
The compressed air mixes with the liquid casing to become less dense. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
In a reciprocating pump, with the change in discharge pressure, ________ |
| A. | The Volume delivered increases |
| B. | The volume delivered decreases |
| C. | Volume delivered remains the same |
| D. | Volume delivered is independent |
| Answer» D. Volume delivered is independent | |
| 14. |
The pump injects compressed air at the _________ |
| A. | Rotor pipe |
| B. | Bottom of the discharge pipe |
| C. | Top of the discharge pipe |
| D. | Rotor to draft |
| Answer» C. Top of the discharge pipe | |
| 15. |
When the piston moves forward, liquid is drawn ________ |
| A. | Into the cylinder |
| B. | Away from the cylinder |
| C. | Into the draft tube |
| D. | Away from the draft tube |
| Answer» B. Away from the cylinder | |
| 16. |
The main function of nozzle is to __________ |
| A. | Varying temperatures |
| B. | Pressure variations |
| C. | Load variations |
| D. | Heat variations |
| Answer» C. Load variations | |
| 17. |
Turbomachines work under ________ |
| A. | Newtons first law |
| B. | Newtons second law |
| C. | Newtons third law |
| D. | Kepler’s law |
| Answer» C. Newtons third law | |
| 18. |
When a cylinder has inlet and outlet ports at each end, then it is called as __________ |
| A. | Double acting |
| B. | Air lift pumps |
| C. | Reciprocating pumps |
| D. | Centrifugal pumps |
| Answer» B. Air lift pumps | |