MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is final product in incineration? |
| A. | Fire |
| B. | Ashes |
| C. | Soil |
| D. | Solid waste |
| Answer» C. Soil | |
| 2. |
Glass, aluminium cans and metals are included in |
| A. | Non-combustible Rubbish |
| B. | Combustible Rubbish |
| C. | Garbage |
| D. | Natural resource |
| Answer» B. Combustible Rubbish | |
| 3. |
The process of decomposition of biodegradable solid waste by earthworms is called ___________ |
| A. | Land fills |
| B. | Shredding |
| C. | Vermi-composting |
| D. | Composting |
| Answer» D. Composting | |
| 4. |
Methods of waste management includes: |
| A. | Dumping Method |
| B. | Recycling Method |
| C. | Collection and Transportation Method |
| D. | All of above |
| Answer» D. All of above | |
| 5. |
In which waste disposal method large areas of low lying waste lands are available? |
| A. | Pulverization |
| B. | Landfilling |
| C. | Incineration |
| D. | Sea Disposal |
| Answer» C. Incineration | |
| 6. |
_________ is the crushing and grinding of municipal solid waste. |
| A. | Land fills |
| B. | Shredding |
| C. | Pulverization |
| D. | Composting |
| Answer» D. Composting | |
| 7. |
Which of the following is an anaerobic process for treating sewage? |
| A. | Oxidation pond |
| B. | Imhoff tank |
| C. | Oxidation ditch |
| D. | Rotating Biological Contactors |
| Answer» C. Oxidation ditch | |
| 8. |
In which method all pathogens and insects are destroyed? |
| A. | Incineration |
| B. | Landfilling |
| C. | Pyrolysis |
| D. | Composition |
| Answer» B. Landfilling | |
| 9. |
How many methods of collection are there in solid waste management? |
| A. | Three |
| B. | Two |
| C. | Five |
| D. | Six |
| Answer» C. Five | |
| 10. |
Waste which pose substential damage immediately or over a period of time to humans, plants and animals life is known as |
| A. | Hazardous Waste |
| B. | Municipal Waste |
| C. | Industrial Waste |
| D. | Solid Waste |
| Answer» B. Municipal Waste | |
| 11. |
With passage of time, filled up solid wastes will get stabilized by the |
| A. | Decomposition |
| B. | Eutrophication |
| C. | Hydrolysis |
| D. | Urbanization |
| Answer» B. Eutrophication | |
| 12. |
Combustable garbage, rubbish and dead animals are: |
| A. | Dumped |
| B. | Burnt |
| C. | Landfill |
| D. | All of above |
| Answer» C. Landfill | |
| 13. |
Which of the following is called a scum chamber in the following figure? |
| A. | Settling chamber |
| B. | Sedimentation chamber |
| C. | Gas chamber |
| D. | Digestion chamber |
| Answer» D. Digestion chamber | |
| 14. |
'Sugarcane bagasse' is a chief source of |
| A. | Cellulose |
| B. | Proteins |
| C. | Minerals |
| D. | Rocks |
| Answer» B. Proteins | |
| 15. |
What is produced by fermentation of agricultural waste? |
| A. | Ethanol |
| B. | Ethanol Amine |
| C. | Aminoacids |
| D. | Base |
| Answer» B. Ethanol Amine | |
| 16. |
What kind of problem is a solid waste ? |
| A. | Urban Problem |
| B. | Regional Problem |
| C. | Global problem |
| D. | Hosuehold Problem |
| Answer» B. Regional Problem | |
| 17. |
Process, container is being emptied into collection vehicles at point of collection is known as: |
| A. | Hauled Container System |
| B. | Stationary Container System |
| C. | Collection System |
| D. | Pulverization |
| Answer» C. Collection System | |
| 18. |
The detention period of a septic tank is ___________ |
| A. | 2 hours |
| B. | 12-36 hours |
| C. | 4 hours |
| D. | 1 week |
| Answer» C. 4 hours | |
| 19. |
Recycling is an integral part of |
| A. | Solid waste management |
| B. | Collection |
| C. | Disposal |
| D. | Processing |
| Answer» B. Collection | |
| 20. |
How many methods involved in compositing ? |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» C. Four | |
| 21. |
Where does combustion of solid waste take place ? |
| A. | Pyrolysis Reactor |
| B. | Pyrolysis Chamber |
| C. | Simple Reactor |
| D. | Simple chamber |
| Answer» B. Pyrolysis Chamber | |
| 22. |
In land filling, insecticides are sprayed on top, to prevent |
| A. | Bad odour |
| B. | Breeding of mosqitoes |
| C. | Preventing ground water pollution |
| D. | All of above |
| Answer» C. Preventing ground water pollution | |
| 23. |
Waste utilization is helpful in conservation of |
| A. | Deforestation |
| B. | Eutrophication |
| C. | Urbanization |
| D. | Natural Resources |
| Answer» E. | |
| 24. |
By pulverization, solid waste becomes unattracted and odourless to |
| A. | Insects |
| B. | Fishes |
| C. | Animals |
| D. | Humans |
| Answer» B. Fishes | |
| 25. |
Quantity of solid waste produced, depends on living standard of |
| A. | Housing |
| B. | Consumption |
| C. | Populations |
| D. | All of above |
| Answer» D. All of above | |
| 26. |
What do we get from pastic waste ? |
| A. | Oil |
| B. | Fats |
| C. | Leather |
| D. | Food |
| Answer» B. Fats | |
| 27. |
Oxidation pond is ineffective in removing pathogenic bacteria. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 28. |
What is the type of filter used in the septic tank when the rate of percolation is 90 minutes? |
| A. | Slow sand filter |
| B. | Rapid sand filter |
| C. | Biological filter |
| D. | Trickling filter |
| Answer» D. Trickling filter | |
| 29. |
Solid waste are disposed in a coastal areas, having a deep sea water in |
| A. | Compositing |
| B. | Disposal into the Sea |
| C. | Pulverization |
| D. | Incinertion |
| Answer» C. Pulverization | |
| 30. |
Burning of solid waste is known as: |
| A. | Landfillings |
| B. | Incineration |
| C. | Pyrolysis |
| D. | Composition |
| Answer» C. Pyrolysis | |
| 31. |
Human and animal excreta and sullage is known as |
| A. | Food Waste |
| B. | Solid Waste |
| C. | Animal Waste |
| D. | Plant Waste |
| Answer» C. Animal Waste | |
| 32. |
Waste products are enriched with |
| A. | Calcium |
| B. | Protein |
| C. | Phosphorous |
| D. | Fats |
| Answer» C. Phosphorous | |
| 33. |
The detention period of the sedimentation chamber of an Imhoff tank is? |
| A. | 30 seconds |
| B. | 30 minute |
| C. | 1 hour |
| D. | 2 hours |
| Answer» E. | |
| 34. |
The disposal of sewage from the septic tank is done by which of the following? |
| A. | Clarifier |
| B. | Soak pit |
| C. | Aerated lagoon |
| D. | Lamp holes |
| Answer» C. Aerated lagoon | |
| 35. |
What is approximate temperature In Pyrolysis reactor ? |
| A. | 890-1000C |
| B. | 650-1000C |
| C. | 550-1000C |
| D. | 200-1000C |
| Answer» C. 550-1000C | |
| 36. |
Classification of solid waste includes: |
| A. | Rubbish |
| B. | Garbage |
| C. | Agricultural waste |
| D. | All of above |
| Answer» E. | |
| 37. |
What is the minimum depth of water to be kept in the oxidation pond? |
| A. | 0.3m |
| B. | 0.5m |
| C. | 1m |
| D. | 1.5m |
| Answer» D. 1.5m | |
| 38. |
Combustible and non combustible solid waste, excluding food waste, known as |
| A. | Rubbish |
| B. | Garbage |
| C. | Solid material |
| D. | Animal Waste |
| Answer» B. Garbage | |
| 39. |
Agricultural waste can be used for manufacturing: |
| A. | Food |
| B. | Paper |
| C. | Steel |
| D. | Oil |
| Answer» C. Steel | |
| 40. |
What would be minimum temperature in combustion chamber ? |
| A. | 670C |
| B. | 230C |
| C. | 890C |
| D. | 67C |
| Answer» B. 230C | |
| 41. |
The maximum BOD removal efficiency of an oxidation pond is ___________ |
| A. | 90% |
| B. | 68% |
| C. | 70% |
| D. | 80% |
| Answer» B. 68% | |
| 42. |
'landfill' can be used for developing parks and |
| A. | Powerplants |
| B. | Dams |
| C. | Residential areas |
| D. | Recreational activities |
| Answer» E. | |
| 43. |
In compositing, solid waste is converted into |
| A. | Ashes |
| B. | Manure |
| C. | Clinkers |
| D. | Fumes |
| Answer» C. Clinkers | |
| 44. |
Contrsuction material can be produced from |
| A. | Waste product |
| B. | Soil |
| C. | Concrete |
| D. | All of above |
| Answer» B. Soil | |
| 45. |
What does soild waste management include ? |
| A. | Dumping process |
| B. | Disposal process |
| C. | Throwing process |
| D. | Removing process |
| Answer» C. Throwing process | |
| 46. |
Obnoxious ordours also pollute air due to decomposition of |
| A. | Garbage |
| B. | Rubbish |
| C. | Air pollution |
| D. | Organic solid waste |
| Answer» E. | |
| 47. |
The detention period of oxidation pond is ___________ |
| A. | 12-36 hours |
| B. | 4 hours |
| C. | 10-20 days |
| D. | 30-60 seconds |
| Answer» D. 30-60 seconds | |
| 48. |
Which solid waste disposal method is endothermal process? |
| A. | Compositing |
| B. | Pulverization |
| C. | Incineration |
| D. | Pyrolysis |
| Answer» E. | |
| 49. |
Paper, carboard, textiles, plastics and wood are included in |
| A. | Garbage |
| B. | Non Combustible Rubbish |
| C. | Combustible Rubbish |
| D. | Waste |
| Answer» D. Waste | |
| 50. |
In what condition hydrolysis of complex organic compounds take place? |
| A. | Normal conditions |
| B. | Aerobic Conditions |
| C. | Anaerobic conditions |
| D. | Extreme Conditions |
| Answer» D. Extreme Conditions | |