This set of Hazardous Waste Management Multiple Choice Questions & Answers (MCQs) focuses on “Landfill Disposal Guidelines”.
1. Hazardous waste guidelines provide mainly criteria for location, site selection.
a) True
b) False
View Answer
Explanation: Hazardous waste guidelines provide mainly criteria for location, site selection, site investigation, planning and design, requirements of landfill liner & cover, construction & operation, inspection.
2. For a selected hazardous landfill site, if water table is within 2.0 m to 6.0 m, which of the following liner is opted?
a) Single
b) Double
c) Triple
d) Multi-liner
View Answer
Explanation: In a place where rainfall is high, sub-soil is highly permeable and water table is within 2.0 m to 6.0 m double composite liner is adopted.
3. Single composite liner system has a leachate collection layer of thickness ________ cm.
a) 10
b) 20
c) 30
d) 40
View Answer
Explanation: Single composite liner system has a leachate collection layer of thickness 30 cm or more and coefficient of permeability in excess of 10-2 cm/sec (10-4 m/sec).
4. Single composite liner comprise compacted clay layer of thickness ________ cm.
a) 100
b) 150
c) 200
d) 250
View Answer
Explanation: Single composite liner comprise compacted clay layer of thickness 150 cm or more having a coefficient of permeability of 10-7cm/sec or less.
5. What is the coefficient of permeability in double composite liner system?
a) 10-2
b) 10-3
c) 10-4
d) 10-5
View Answer
Explanation: The coefficient of permeability in double composite liner system 10-2 cm/sec and primary leachate collection layer is of thickness 30 cm.
6. Double composite liner comprise compacted clay layer of thickness ________ cm.
a) 100
b) 45
c) 20
d) 25
View Answer
Explanation: Double composite liner comprise compacted clay layer of thickness 45 cm or less and secondary leachate collection layer of thickness 30 cm or more.
7. A layer of local top solid which provisions self-sustaining vegetation should have thickness of ____ cm.
a) 50
b) 60
c) 70
d) 80
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Explanation: A layer of local top solid which provisions self-sustaining vegetation should have thickness not less than 60cm and drainage layer thickness should be 30 cm or more.
8. What should be the distance between the storage sheds in storage unit?
a) 10
b) 15
c) 20
d) 25
View Answer
Explanation: There should be 15m distance between the storage sheds and storage area should be provided with the flameproof electrical fittings for safe storage of hazardous waste.
9. Waste having flash point less than 65.5 degree C, the drums should be stacked more than one height.
a) True
b) False
View Answer
Explanation: The stacking of drums in the storage area should be restricted to three high on pallets. But for waste having flash point less than 65.5 degree C, the drums should not be stacked more than one height.
10. What is the normal storage time of incinerable hazardous waste at the incinerator site?
a) 4 months
b) 5 months
c) 6 months
d) 7 months
View Answer
Explanation: The storage time of incinerable hazardous waste at the incinerator site is restricted to maximum 6 months according to HWMR, 2008.
Sanfoundry Global Education & Learning Series – Hazardous Waste Management.
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