McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 1. |
___________ poisoning water in Japan is from fishes. |
| A. | Bismuth |
| B. | Arsenic |
| C. | Antimony |
| D. | Palladium |
| Answer» B. Arsenic | |
| 2. |
Fishes can store more quantity of ___________ in their bodies. |
| A. | Mercury |
| B. | Bismuth |
| C. | Palladium |
| D. | Chlorine |
| Answer» A. Mercury | |
| 3. |
Waste water released from _________ are not the sources of bacteria. |
| A. | Sanitaria |
| B. | Municipalities |
| C. | Tanning |
| D. | Industries |
| Answer» D. Industries | |
| 4. |
Bacteria and micro organisms present in the water will cause _________ in human and animals. |
| A. | Indigestion |
| B. | Intestinal tract |
| C. | Brain tumour |
| D. | Cancer |
| Answer» B. Intestinal tract | |
| 5. |
Infectious hepatitis is caused by ___________ |
| A. | Bacteria |
| B. | Viruses |
| C. | Protozoa |
| D. | Helminth |
| Answer» B. Viruses | |
| 6. |
Amoebic dysentery is caused by ___________ |
| A. | Viruses |
| B. | Bacteria |
| C. | Helminth |
| D. | Protozoa |
| Answer» D. Protozoa | |
| 7. |
Bacteria in water causes ________ |
| A. | Malaria |
| B. | Typhoid |
| C. | Dengue |
| D. | Chicken guinea |
| Answer» B. Typhoid | |
| 8. |
Helminth in the water causes __________ |
| A. | Hook worm |
| B. | Amoebic dysentery |
| C. | Cholera |
| D. | Typhoid |
| Answer» A. Hook worm | |
| 9. |
The ____________ is an important requirement of the aquatic life. |
| A. | Dissolved nitrogen |
| B. | Dissolved chlorine |
| C. | Dissolved oxygen |
| D. | Dissolved methane |
| Answer» C. Dissolved oxygen | |
| 10. |
The optimum value in natural water is ________ |
| A. | 2-4ppm |
| B. | 4-7ppm |
| C. | 4-6ppm |
| D. | 2-7ppm |
| Answer» C. 4-6ppm | |
| 11. |
What is the full form of BOD? |
| A. | Biochemical oxygen demand |
| B. | Biological oxygen demand |
| C. | Biometric oxygen deep water |
| D. | Biological oxygen deep water |
| Answer» A. Biochemical oxygen demand | |
| 12. |
The disappearance of the plants and animals is due to the _________ in water. www.rejinpaul.comwww.rejinpaul.com Download updated materials from Rejinpaul Network App |
| A. | Nitrogen depletion |
| B. | Chlorine depletion |
| C. | Oxygen depletion |
| D. | Ozone depletion |
| Answer» C. Oxygen depletion | |
| 13. |
The decomposition of the matter produces into ___________ and in presence of ____________ |
| A. | Carbondioxide and oxygen |
| B. | Oxygen and nitrogen |
| C. | Nitrogen and carbondioxide |
| D. | Nitrogen and chlorine |
| Answer» A. Carbondioxide and oxygen | |
| 14. |
The organic matter present in the water is of __________ types. |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» A. Two | |
| 15. |
The temperature of sewage increases. What will be the effect on the dissolved oxygen in sewage? |
| A. | Remains constant |
| B. | Increase |
| C. | Decrease |
| D. | No effect |
| Answer» C. Decrease | |
| 16. |
What is the minimum quantity of dissolved oxygen that should be present in the treated sewage? |
| A. | 6ppm |
| B. | 4ppm |
| C. | 1ppm |
| D. | 10ppm |
| Answer» B. 4ppm | |
| 17. |
The presence of which of the following in sewage indicates nitrogen content before decomposition of sewage? |
| A. | Nitrites |
| B. | Nitrates |
| C. | Free ammonia |
| D. | Albuminoid nitrogen |
| Answer» D. Albuminoid nitrogen | |
| 18. |
The presence of free ammonia in sewage represents ____________ |
| A. | Air pollution |
| B. | Old pollution |
| C. | Recent pollution |
| D. | Water pollution |
| Answer» C. Recent pollution | |
| 19. |
Which chemical is used for the titration of waste water for finding its chloride content? |
| A. | Potassium chloride |
| B. | Sodium chloride |
| C. | Potassium chromate |
| D. | Potassium dichromate |
| Answer» C. Potassium chromate | |
| 20. |
The type of solids which floats in sewage is __________ |
| A. | Suspended solids |
| B. | Settleable solids |
| C. | Dissolved solids |
| D. | Total solids |
| Answer» A. Suspended solids | |
| 21. |
The presence of which of the following indicates old pollution? |
| A. | Nitrates |
| B. | Nitrites |
| C. | H2S |
| D. | Sulfates |
| Answer» D. Sulfates | |
| 22. |
________ is used to find the D.O content of sewage. |
| A. | Winkler method |
| B. | Chromatography |
| C. | Kjeldahl method |
| D. | Olfactometer |
| Answer» B. Chromatography | |
| 23. |
The permissible dose of chloride in domestic sewage is __________ |
| A. | 120ppm |
| B. | 10ppm |
| C. | 1ppm |
| D. | 250ppm |
| Answer» A. 120ppm | |
| 24. |
Imhoff cone is used to measure the _______ |
| A. | Suspended solids |
| B. | Settleable solids |
| C. | Dissolved solids |
| D. | Total solids |
| Answer» B. Settleable solids | |
| 25. |
The decomposition of sewage takes place, causing a pungent smell. Which of the following causes the pungent smell? |
| A. | CO2 |
| B. | H2SO4 |
| C. | HCL |
| D. | H2S |
| Answer» D. H2S | |
| 26. |
Which of the following disease is caused due to lack of nitrates? |
| A. | Diphtheria |
| B. | Methemoglobinemia |
| C. | Tuberculosis |
| D. | Meningitis |
| Answer» B. Methemoglobinemia | |
| 27. |
The maximum quantity of dissolved oxygen present in wastewater is called __________ |
| A. | Saturated dissolved oxygen |
| B. | Maximum dissolved oxygen |
| C. | Optimal dissolved oxygen |
| D. | Peak dissolved oxygen |
| Answer» A. Saturated dissolved oxygen | |
| 28. |
Identify the odd one of the following. |
| A. | Fatty acids |
| B. | Chlorides |
| C. | Cellulose |
| D. | Fats |
| Answer» B. Chlorides | |
| 29. |
The Clean Water Act (CWA) regulates __________ |
| A. | Discharge of pollutants into the waters of the United States |
| B. | Discharge of pollutants into the waters of the United Kingdom |
| C. | Discharge of pollutants into the air of the United States |
| D. | Discharge of pollutants into the waters of India |
| Answer» A. Discharge of pollutants into the waters of the United States | |
| 30. |
Section __________ of CWA regulates discharges of hazardous substances. |
| A. | 311(b)(2)(B) |
| B. | 311(b)(2)(A) |
| C. | 312(b)(2)(A) |
| D. | 311(b)(1)(A) |
| Answer» B. 311(b)(2)(A) | |
| 31. |
The Federal Water Pollution Control Act of 1948 was the first major U.S. law to address water pollution. |
| A. | 1945 |
| B. | 1946 |
| C. | 1947 |
| D. | 1948 |
| Answer» D. 1948 | |
| 32. |
The CWA reduced the amount of pollution from _________ |
| A. | Point sources |
| B. | Non-point sources |
| C. | Chemicals |
| D. | Mining |
| Answer» A. Point sources | |
| 33. |
The discharge of regulated chemicals into surface waters is controlled by __________ |
| A. | SARA |
| B. | CERCLA |
| C. | NPDES |
| D. | PDAC |
| Answer» C. NPDES | |
| 34. |
The maximum amount of pollution that each waterway could absorb is known as _________ |
| A. | TMDL |
| B. | TSML |
| C. | TDSML |
| D. | TDS |
| Answer» A. TMDL | |
| 35. |
__________ requires EPA to establish regulations to protect human health from contaminants present in drinking water. |
| A. | SAWD |
| B. | SDWA |
| C. | ASAW |
| D. | SWSA |
| Answer» B. SDWA | |
| 36. |
Who is responsible for the clean-up of oil spill? |
| A. | HWS |
| B. | APS |
| C. | Oil Pollution Act |
| D. | SARA |
| Answer» C. Oil Pollution Act | |
| 37. |
Which section of CWA regulates land disposal of sludge? |
| A. | Section 402 |
| B. | Section 403 |
| C. | Section 404 |
| D. | Section 405 |
| Answer» D. Section 405 | |
| 38. |
Which CWA program controls water pollution by regulating point sources? |
| A. | SPCC |
| B. | PCC |
| C. | NPDES |
| D. | PDA |
| Answer» C. NPDES | |
| 39. |
Which section of CWA is responsible for monitoring of wetlands? |
| A. | Section 402 |
| B. | Section 403 |
| C. | Section 404 |
| D. | Section 405 |
| Answer» C. Section 404 | |
| 40. |
Which CWA program manages non-point source pollution? |
| A. | NPSMP |
| B. | NSPPP |
| C. | NSGOP |
| D. | NPSRA |
| Answer» A. NPSMP | |
| 41. |
When did CWA come into existence? |
| A. | 1970 |
| B. | 1971 |
| C. | 1972 |
| D. | 1973 |
| Answer» C. 1972 | |
| 42. |
Which of the following is the physical monitoring of the lake? |
| A. | PH |
| B. | COD |
| C. | BOD |
| D. | Turbidity |
| Answer» D. Turbidity | |
| 43. |
Conductivity comes under the ___________ monitoring of the lake. |
| A. | Physical |
| B. | Chemical |
| C. | Biological |
| D. | Organic |
| Answer» A. Physical | |
| 44. |
____________ comes under the chemical monitoring of the lake. |
| A. | Detergents |
| B. | Pathogens |
| C. | Conductivity |
| D. | Turbidity |
| Answer» A. Detergents | |
| 45. |
Pollution enters into the water system in ___________ ways. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 46. |
A large amount of soil can move with the run off called ___________ |
| A. | Soil erosion |
| B. | Soil conservation |
| C. | Soil pollution |
| D. | Soil moving |
| Answer» A. Soil erosion | |
| 47. |
What is the full form of GAP? |
| A. | Ganga action pre distribution |
| B. | Ganga action plan |
| C. | Ganga affected plan |
| D. | Ganga affected pre distribution |
| Answer» B. Ganga action plan | |
| 48. |
The central pollution control board and the department of ocean and environment has established __________ stations over the entire coastal line of the country. |
| A. | 171 |
| B. | 172 |
| C. | 173 |
| D. | 174 |
| Answer» D. 174 | |
| 49. |
Coastal water shows major differences in ___________ |
| A. | Pollution |
| B. | Sewage |
| C. | Salinity |
| D. | Conductivity |
| Answer» C. Salinity | |
| 50. |
Monitoring systems can be carried out by using __________ |
| A. | Motors |
| B. | Automatic sensors |
| C. | Automatic motors |
| D. | Turbines |
| Answer» B. Automatic sensors | |
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