MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
Which of the following represents the correct order in terms of the maximum efficiency of the pump? |
| A. | Centrifugal > Airlift > Diaphragm |
| B. | Diaphragm > Airlift > Centrifugal |
| C. | Airlift > Centrifugal > Diaphragm |
| D. | Centrifugal > Diaphragm > Airlift |
| Answer» E. | |
| 2. |
Which part of the pump chamber allows to easily disconnect from the pipeline? |
| A. | Gate valve |
| B. | Check valve |
| C. | Union |
| D. | Pump lift chain |
| Answer» D. Pump lift chain | |
| 3. |
The septic tank and pump chamber should be kept as deep as possible. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Which of the following pump is used for the removal of grit? |
| A. | Centrifugal pump |
| B. | Pneumatic ejector |
| C. | Rotary screw pump |
| D. | Air lift pump |
| Answer» D. Air lift pump | |
| 5. |
The minimum diameter of an inverted siphon is __________ |
| A. | 5cm |
| B. | 10cm |
| C. | 15cm |
| D. | 25cm |
| Answer» D. 25cm | |
| 6. |
The design self cleansing velocity of an inverted siphon is __________ |
| A. | 0.9m/Sec |
| B. | 0.6m/Sec |
| C. | 0.7m/Sec |
| D. | 0.4m/Sec |
| Answer» B. 0.6m/Sec | |
| 7. |
The sewage in inverted siphon will flow under __________ |
| A. | Air |
| B. | Vacuum |
| C. | Pressure |
| D. | Gravity |
| Answer» D. Gravity | |