R4RIN – MCQs, Mock Tests | Agricultural Engineering Agricultural Engineering MCQs Set-6

Solidification of HW is done at TSDF to reduce ________

1. Area
2. Volume
3. Analysis
4. Record keeping

✅ Correct Answer: 2

According to CPCB the major criteria considered for selection of technologies are _________

1. Waste quantity
2. Chemical analysis
3. Lead content
4. Mercury content

✅ Correct Answer: 1

As per CPCB the waste processing technologies are divided into _________ categories.

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 2

The biological activities depend upon __________

1. pH
2. Chemicals
3. Toxins
4. Temperature

✅ Correct Answer: 1

Vermi-composting can treat oily and spicy waste.

1. True
2. False
3.
4.

✅ Correct Answer: 2

The major issues contributing to difficulties in siting hazardous waste facility are _________

1. Uncertainty of risk
2. Area
3. NPL
4. HSP

✅ Correct Answer: 1

Hazardous waste management requires __________

1. Chemical analysis
2. Systems approach
3. Research
4. NPL

✅ Correct Answer: 2

Hazardous facility siting is a __________

1. Chemical analysis
2. Systems approach
3. System activity
4. System analysis

✅ Correct Answer: 3

Current hazardous waste facility strategies tend to be facility-specific.

1. True
2. False
3.
4.

✅ Correct Answer: 1

EPA ID is required for very small quantity generators.

1. True
2. False
3.
4.

✅ Correct Answer: 2

On-Site Accumulation Quantity of small scale generators is less than ______ kg.

1. 2000
2. 4000
3. 6000
4. 8000

✅ Correct Answer: 3

Accumulation time limit for SQG is less than or equal to _______ days.

1. 170
2. 180
3. 190
4. 160

✅ Correct Answer: 2

______ planning is required for Emergency Procedures while handling SQG waste.

1. Less
2. Basic
3. Full
4. Null

✅ Correct Answer: 2

A generator must keep a copy of each manifest signed for a period of _____ years.

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 3

A transporter must keep a copy of each Biennial Report for three years.

1. True
2. False
3.
4.

✅ Correct Answer: 2

The generator must sign the manifest by ________

1. Hand
2. Digitally
3. Placard
4. Electronically

✅ Correct Answer: 1

For shipments of hazardous waste within the United States only by water _______ copies of manifest must be sent.

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 3

For rejected shipments of hazardous waste the generator must _________

1. Sign item 18c
2. Sign item 20
3. Sign either
4. Sign e-copy

✅ Correct Answer: 3

Generator is not held responsible for non-submission of ________

1. E-manifest
2. Manifest
3. Manifest to reporter
4. Manifest to transporter

✅ Correct Answer: 1

A generator who initiates a shipment of hazardous waste must certify _________ techniques adopted.

1. Waste minimisation
2. Manifest
3. Analysis
4. NPL

✅ Correct Answer: 1

Managing waste is the responsibility of the government.

1. True
2. False
3.
4.

✅ Correct Answer: 2

The ______ Government is responsible for national legislation in Sydney.

1. Indian
2. UK
3. US
4. Australian

✅ Correct Answer: 4

The first complete domestic approach to waste management was agreed by _____ council.

1. COAG
2. COOG
3. COPA
4. COUS

✅ Correct Answer: 1

______ policy offers national framework for waste management and resource recovery in Australia.

1. National hazard policy
2. National waste policy
3. Environmental policy
4. Hazardous policy

✅ Correct Answer: 2

______ are designed to assist environmental management.

1. NEPM
2. NPEM
3. NEOP
4. NOPE

✅ Correct Answer: 1

Which of the act is addressed for energy production?

1. NGER
2. NEPM
3. NOPE
4. NDGO

✅ Correct Answer: 1

Which act is responsible for reducing pollution at source?

1. NGER
2. NEPM
3. Pollution prevention act
4. Waste reduction act

✅ Correct Answer: 3

The National pollution prevention policy states waste should be released to environment as quick as possible.

1. True
2. False
3.
4.

✅ Correct Answer: 2

______ programme is undertaken by UK government to deliver resource efficiency policies.

1. WRAP
2. TARP
3. BUOP
4. PESA

✅ Correct Answer: 1

The process used to destroy toxicity of waste by changing oxidation state is __________

1. Reduction process
2. Oxidation process
3. Waste analysis
4. Chemical analysis

✅ Correct Answer: 2

Which of the following solutions can be treated by reduction or oxidation process?

1. Cyanide
2. Lead
3. Mercury
4. Zinc

✅ Correct Answer: 1

Chlorine is a reducing agent.

1. True
2. False
3.
4.

✅ Correct Answer: 2

Electroplating wastes can be treated from ________ process.

1. Hydrolysis
2. Neutralisation
3. Chemical precipitation
4. Oxidation and reduction

✅ Correct Answer: 4

Which among the following is cheapest oxidizing reagent?

1. Sodium hypochlorite
2. Lead
3. Mercury
4. Zinc

✅ Correct Answer: 1

Oxidation avoids harmful side reactions.

1. True
2. False
3.
4.

✅ Correct Answer: 1

Which among the following is the commonest waste treated by reduction?

1. Sodium hypochlorite
2. Lead
3. Mercury
4. Chromate

✅ Correct Answer: 4

_________ method is more suitable in removing organic species in waste solution.

1. Hydrolysis process
2. Oxidation reduction
3. Waste analysis
4. Chemical analysis

✅ Correct Answer: 2

The most common applications of chemical reduction is reduction of ________

1. chromium (VI) to chromium (III)
2. chromium (V) to chromium (III)
3. chromium (VI) to chromium (II)
4. chromium (V) to chromium (I)

✅ Correct Answer: 1

Suitable method for treating acidic or basic hazardous waste is _________

1. Neutralisation
2. Precipitation
3. Hydrolysis
4. Electrolysis

✅ Correct Answer: 1

Neutralisation involves addition of _________ substances with the waste.

1. Hydraulic
2. Chemical
3. Physical
4. Biological

✅ Correct Answer: 2

Common reagents for neutralising acid wastes are __________

1. Sodium
2. Lime and sodium hydroxide
3. Lime and zinc
4. Lead

✅ Correct Answer: 2

Common reagents for neutralising alkaline wastes are ________

1. Sulphuric and HCl
2. Lime and sodium hydroxide
3. Lime and zinc
4. Lead

✅ Correct Answer: 1

Dissolved salts of hazardous metal wastes can be treated by neutralisation.

1. True
2. False
3.
4.

✅ Correct Answer: 1

Neutralisation process is extensively applied for ________ hazardous waste.

1. Reactive
2. Neutral
3. Corrosive
4. Chemical

✅ Correct Answer: 3

Neutralisation adjusts pH level of corrosive between ____ and ____

1. 5, 9
2. 5.5, 9.5
3. 6, 7
4. 7, 8

✅ Correct Answer: 2

Personal protective equipment should be worn while neutralising corrosive hazardous waste.

1. True
2. False
3.
4.

✅ Correct Answer: 1

The process of neutralizing waste as listed in WAC 173-303-090 is known as ____________

1. Elementary neutralization
2. Chemical neutralization
3. Physical neutralization
4. Biological neutralization

✅ Correct Answer: 1

Rate of evaporation of liquid waste is measured by _______

1. Vapour pressure
2. Pressure
3. Temperature
4. Heat

✅ Correct Answer: 1

Liquids with high vapour pressure evaporates slowly.

1. True
2. False
3.
4.

✅ Correct Answer: 2

__________ separation techniques are used before evaporation process.

1. Physical
2. Chemical
3. Biological
4. Biochemical

✅ Correct Answer: 1