MCQOPTIONS
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MCQOPTIONS
This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of these treatment systems diaphragm valves are preferred? |
| A. | Moving Bed Bioreactor(MBBR) |
| B. | Desalination |
| C. | Ultrafiltration |
| D. | Demineralisation systems |
| Answer» E. | |
| 2. |
Of the below mentioned valves which of these are used to control the flow of liquid in a single direction? |
| A. | Butterfly valve |
| B. | Ball valve |
| C. | Check valve |
| D. | Plug valve |
| Answer» D. Plug valve | |
| 3. |
In globe valves, the flow rate control is determined by _______ |
| A. | Size of the opening |
| B. | Lift of the valve plug |
| C. | Pressure difference |
| D. | Gravity |
| Answer» C. Pressure difference | |
| 4. |
What is the purpose of pinch valve/ |
| A. | Hydraulic control |
| B. | Slurry flow regulation |
| C. | Flow control |
| D. | Regulate fluids |
| Answer» C. Flow control | |
| 5. |
WHAT_IS_THE_PURPOSE_OF_PINCH_VALVE/?$ |
| A. | Hydraulic control |
| B. | Slurry flow regulation |
| C. | Flow control |
| D. | Regulate fluids |
| Answer» C. Flow control | |
| 6. |
Of the below mentioned valves which of these are used to control the flow of liquid in a single direction?$ |
| A. | Butterfly valve |
| B. | Ball valve |
| C. | Check valve |
| D. | Plug valve |
| Answer» D. Plug valve | |
| 7. |
In_globe_valves,_the_flow_rate_control_is_determined_by________$ |
| A. | Size of the opening |
| B. | Lift of the valve plug |
| C. | Pressure difference |
| D. | Gravity |
| Answer» C. Pressure difference | |
| 8. |
Which valve can be used in the service to handle fluids and gases and at the same time can be used for throttling as well? |
| A. | Butterfly valve |
| B. | Gate valve |
| C. | Plug valve |
| D. | Diaphragm valve |
| Answer» D. Diaphragm valve | |
| 9. |
Which type of valve is preferred for vacuum applications? |
| A. | Diaphragm valve |
| B. | Butterfly valve |
| C. | Globe valve |
| D. | Sluice valve |
| Answer» B. Butterfly valve | |
| 10. |
Which of these are usually not preferred for frequent operation? |
| A. | Ball valve |
| B. | Plug valve |
| C. | Gate valve |
| D. | Butterfly valve |
| Answer» D. Butterfly valve | |
| 11. |
Though a needle valve is similar to a gate valve in design and operation it can be used as a throttling valve. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Which valve is most commonly used in house hold applications? |
| A. | Globe valve |
| B. | Gate valve |
| C. | Butterfly valve |
| D. | Check valve |
| Answer» B. Gate valve | |
| 13. |
Which valve is used when a straight line of fluid and minimum restriction is required? |
| A. | Gate valve |
| B. | Lift check valve |
| C. | Butterfly valve |
| D. | Plug valve |
| Answer» B. Lift check valve | |
| 14. |
Which of these are used as throttling valves? |
| A. | Butterfly valve |
| B. | Check valve |
| C. | Gate valve |
| D. | Sluice valve |
| Answer» B. Check valve | |
| 15. |
Which Material of construction is preferred when the valves are going to be fitted for a desalination plant? |
| A. | SS316 L |
| B. | SS304 |
| C. | Duplex |
| D. | SS 316 |
| Answer» D. SS 316 | |
| 16. |
In_which_of_these_treatment_systems_diaphragm_valves_are_preferred? |
| A. | Moving Bed Bioreactor(MBBR) |
| B. | Desalination |
| C. | Ultrafiltration |
| D. | Demineralisation systems |
| Answer» E. | |
| 17. |
What is the other name for the plug valve? |
| A. | Needle valve |
| B. | Slim valve |
| C. | Poppet valve |
| D. | Spool valve |
| Answer» C. Poppet valve | |
| 18. |
Diaphragm valves are used to control flow by a movement of a diaphragm. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 19. |
Poppet valves are used in piston engines. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
What is the purpose of piston valve? |
| A. | Regulate fluids |
| B. | Regulate fluids carrying suspended solids |
| C. | Regulates flow |
| D. | Regulates pressure |
| Answer» C. Regulates flow | |
| 21. |
Check valve is also called as _________ |
| A. | Non-return valve |
| B. | Gate valve |
| C. | Knife valve |
| D. | Choke valve |
| Answer» B. Gate valve | |
| 22. |
Which of the following valves are used in high duty cycle applications? |
| A. | Check valve |
| B. | Clapper valve |
| C. | Ceramic disc valve |
| D. | Choke valve |
| Answer» D. Choke valve | |
| 23. |
Which of the following valves is better for on/ off control? |
| A. | Ball valve |
| B. | Butterfly valve |
| C. | Plug valve |
| D. | Knife valve |
| Answer» B. Butterfly valve | |
| 24. |
What is the function of a butterfly valve? |
| A. | On/ off control |
| B. | Flow regulation |
| C. | Pressure control |
| D. | Hydraulic control |
| Answer» C. Pressure control | |