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Agricultural Engineering MCQs Set-6
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1. Solidification of HW is done at TSDF to reduce ________
Area
Volume
Analysis
Record keeping
2. According to CPCB the major criteria considered for selection of technologies are _________
Waste quantity
Chemical analysis
Lead content
Mercury content
3. As per CPCB the waste processing technologies are divided into _________ categories.
1
2
3
4
4. The biological activities depend upon __________
pH
Chemicals
Toxins
Temperature
5. Vermi-composting can treat oily and spicy waste.
True
False
6. The major issues contributing to difficulties in siting hazardous waste facility are _________
Uncertainty of risk
Area
NPL
HSP
7. Hazardous waste management requires __________
Chemical analysis
Systems approach
Research
NPL
8. Hazardous facility siting is a __________
Chemical analysis
Systems approach
System activity
System analysis
9. Current hazardous waste facility strategies tend to be facility-specific.
True
False
10. EPA ID is required for very small quantity generators.
True
False
11. On-Site Accumulation Quantity of small scale generators is less than ______ kg.
2000
4000
6000
8000
12. Accumulation time limit for SQG is less than or equal to _______ days.
170
180
190
160
13. ______ planning is required for Emergency Procedures while handling SQG waste.
Less
Basic
Full
Null
14. A generator must keep a copy of each manifest signed for a period of _____ years.
1
2
3
4
15. A transporter must keep a copy of each Biennial Report for three years.
True
False
16. The generator must sign the manifest by ________
Hand
Digitally
Placard
Electronically
17. For shipments of hazardous waste within the United States only by water _______ copies of manifest must be sent.
1
2
3
4
18. For rejected shipments of hazardous waste the generator must _________
Sign item 18c
Sign item 20
Sign either
Sign e-copy
19. Generator is not held responsible for non-submission of ________
E-manifest
Manifest
Manifest to reporter
Manifest to transporter
20. A generator who initiates a shipment of hazardous waste must certify _________ techniques adopted.
Waste minimisation
Manifest
Analysis
NPL
21. Managing waste is the responsibility of the government.
True
False
22. The ______ Government is responsible for national legislation in Sydney.
Indian
UK
US
Australian
23. The first complete domestic approach to waste management was agreed by _____ council.
COAG
COOG
COPA
COUS
24. ______ policy offers national framework for waste management and resource recovery in Australia.
National hazard policy
National waste policy
Environmental policy
Hazardous policy
25. ______ are designed to assist environmental management.
NEPM
NPEM
NEOP
NOPE
26. Which of the act is addressed for energy production?
NGER
NEPM
NOPE
NDGO
27. Which act is responsible for reducing pollution at source?
NGER
NEPM
Pollution prevention act
Waste reduction act
28. The National pollution prevention policy states waste should be released to environment as quick as possible.
True
False
29. ______ programme is undertaken by UK government to deliver resource efficiency policies.
WRAP
TARP
BUOP
PESA
30. The process used to destroy toxicity of waste by changing oxidation state is __________
Reduction process
Oxidation process
Waste analysis
Chemical analysis
31. Which of the following solutions can be treated by reduction or oxidation process?
Cyanide
Lead
Mercury
Zinc
32. Chlorine is a reducing agent.
True
False
33. Electroplating wastes can be treated from ________ process.
Hydrolysis
Neutralisation
Chemical precipitation
Oxidation and reduction
34. Which among the following is cheapest oxidizing reagent?
Sodium hypochlorite
Lead
Mercury
Zinc
35. Oxidation avoids harmful side reactions.
True
False
36. Which among the following is the commonest waste treated by reduction?
Sodium hypochlorite
Lead
Mercury
Chromate
37. _________ method is more suitable in removing organic species in waste solution.
Hydrolysis process
Oxidation reduction
Waste analysis
Chemical analysis
38. The most common applications of chemical reduction is reduction of ________
chromium (VI) to chromium (III)
chromium (V) to chromium (III)
chromium (VI) to chromium (II)
chromium (V) to chromium (I)
39. Suitable method for treating acidic or basic hazardous waste is _________
Neutralisation
Precipitation
Hydrolysis
Electrolysis
40. Neutralisation involves addition of _________ substances with the waste.
Hydraulic
Chemical
Physical
Biological
41. Common reagents for neutralising acid wastes are __________
Sodium
Lime and sodium hydroxide
Lime and zinc
Lead
42. Common reagents for neutralising alkaline wastes are ________
Sulphuric and HCl
Lime and sodium hydroxide
Lime and zinc
Lead
43. Dissolved salts of hazardous metal wastes can be treated by neutralisation.
True
False
44. Neutralisation process is extensively applied for ________ hazardous waste.
Reactive
Neutral
Corrosive
Chemical
45. Neutralisation adjusts pH level of corrosive between ____ and ____
5, 9
5.5, 9.5
6, 7
7, 8
46. Personal protective equipment should be worn while neutralising corrosive hazardous waste.
True
False
47. The process of neutralizing waste as listed in WAC 173-303-090 is known as ____________
Elementary neutralization
Chemical neutralization
Physical neutralization
Biological neutralization
48. Rate of evaporation of liquid waste is measured by _______
Vapour pressure
Pressure
Temperature
Heat
49. Liquids with high vapour pressure evaporates slowly.
True
False
50. __________ separation techniques are used before evaporation process.
Physical
Chemical
Biological
Biochemical
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