MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which log represents the type of strata existing at different depths and encountered during digging or boring of the wells? |
| A. | Well logs |
| B. | Resistivity logs |
| C. | Radiometric logs |
| D. | Sonic logs |
| Answer» B. Resistivity logs | |
| 2. |
Which of the following pumps is also used for testing or development of wells? |
| A. | Vertical turbine pump |
| B. | Submersible motor pump |
| C. | Jet pump |
| D. | Airlift pump |
| Answer» E. | |
| 3. |
Reversing the direction of flow by surging the well does help in removing the bridging. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following gives an indication of the chemical quality of the groundwater? |
| A. | Geological logs |
| B. | Resistivity logs |
| C. | Sonic logs |
| D. | Thermal logs |
| Answer» C. Sonic logs | |
| 5. |
The amount of water required from wells to mature a similar crop is more than that required in canal irrigation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following pump can effectively lift water under the maximum suction head of 6 to 8 meters? |
| A. | A single-stage centrifugal pump |
| B. | Submersible pumps |
| C. | Turbine pumps |
| D. | Jet pumps |
| Answer» B. Submersible pumps | |
| 7. |
Corrosion of tubewell pipes may cause _______________ |
| A. | reduced discharge from the tubewell |
| B. | excessive discharge of sand with water |
| C. | discharge of highly alkaline water |
| D. | increased pumping rate |
| Answer» C. discharge of highly alkaline water | |
| 8. |
Incrustation of the tubewell pipes may lead to _________________ |
| A. | reduced discharge from the tubewell |
| B. | excessive discharge of sand with water |
| C. | discharge of highly alkaline water |
| D. | increased pumping rate |
| Answer» B. excessive discharge of sand with water | |
| 9. |
The appropriate life of a tubewell in India is of the order of ______ |
| A. | 1 year |
| B. | 2 years |
| C. | 5 years |
| D. | 15 years |
| Answer» E. | |
| 10. |
Which of the following is an effective method for the development of well? |
| A. | Surging |
| B. | Pumping |
| C. | Well development by compressed air |
| D. | Jetting |
| Answer» E. | |
| 11. |
Rewhiding the well involves ____________________ |
| A. | heavy pumping of well |
| B. | starting and stopping of pumping intermittently |
| C. | forcing of the well water back into the aquifer |
| D. | jetting with water at high velocity |
| Answer» C. forcing of the well water back into the aquifer | |
| 12. |
Which of the following strainer is used for shallow irrigation tube wells particularly in deltaic regions of developing countries? |
| A. | Continuous slot type of strainer |
| B. | Louver type of strainer |
| C. | Pipe strainer with fine mesh jackets |
| D. | Coir rope strainers |
| Answer» E. | |
| 13. |
Duty of wells expressed in hectares the well can irrigate to bring a crop to maturity because of ___________ |
| A. | well irrigation is a minor scheme |
| B. | well water is lifted immediately and cannot be expressed in ha/m<sup>3</sup>/sec |
| C. | well is situated in the middle of the commanded area |
| D. | wells are owned by cultivators and so the source of supply is a private one |
| Answer» C. well is situated in the middle of the commanded area | |
| 14. |
A household tube well is called Abyssinian tube well falls under _________ |
| A. | strainer type |
| B. | cavity type |
| C. | slotted type |
| D. | both cavity and slotted type |
| Answer» B. cavity type | |