Tag: e-waste management

Questions Related to e-waste management

Solid waste are disposed in a coastal areas, having a deep sea water in

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Compositing

  2. Disposal into the Sea

  3. Pulverization

  4. Incinertion

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Correct Option: B

In pulverization, volume and physical characteristics of solid waste are

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Not Changed

  2. Changed

  3. Remain constant

  4. unstable

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Correct Option: B

What does happen to lighter components of solid waste in sea?

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. It keeps on Floating

  2. It Submerges

  3. It Dissolves

  4. All of above

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Correct Option: A

What does solid waste consist?

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Mud

  2. Sand

  3. dust

  4. All of above

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Correct Option: A

What does total solid include?

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Total Solid Waste

  2. Total Dissolved Solids

  3. Total Suspended Solids

  4. Both b and c

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Correct Option: D

Classification of solid waste includes:

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Rubbish

  2. Garbage

  3. Agricultural waste

  4. All of above

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Correct Option: D

Which of the following is non-biodegradable?

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Animal Bones

  2. Nylon

  3. Tea Leaves

  4. Wool

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Correct Option: B
Explanation:

The non-biodegradable substances are the substances that cannot be broken down to simple, environmentally safe materials by biological processes. In other words, these substances do not decompose.

Electronic devices consist of materials such as _____, which are a challenge to recycle.

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Lead

  2. Copper

  3. Gold

  4. All of the above

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Correct Option: D
Explanation:

Audiovisual components, televisions, VCRs, stereo equipment, mobile phones, other handheld devices and computer components contain valuable elements and substances suitable for reclamation, including lead, copper and gold. One of the major challenges is recycling the printed circuit boards from the electronic wastes. The circuit boards contain such precious metals as gold, silver, platinum, etc., and such base metals as copper, iron, aluminium, etc. 

Biomedical waste may be disposed of by

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Incineration

  2. Autoclaving

  3. Land filling

  4. Both B and C

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Correct Option: A
Explanation:

Biomedical waste may be infectious waste include discarded blood, sharps, unwanted microbiological cultures and stocks, body parts after amputation. The wastes may also include bandages and dressings, discarded gloves, other medical supplies that may have been in contact with blood and body fluids, and laboratory waste. This waste is highly infectious. The method used for the disposal of biomedical waste is incineration. Incinerators are operated at very high temperatures. This temperature kills and destroys the microorganisms and pathogens. Autoclaving is done for reusable products like gloves. 

So, the correct answer is option A. 

Find the odd one out:

commercial studies waste generation and management e-waste management e-wastes waste generation

  1. Paper

  2. Resin

  3. Plastic

  4. Rubber

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Correct Option: A
Explanation:

Solids waste that are generated must be segregated as dry waste and wet waste. This would help in better treatment and disposal of waste. Paper is wet waste whereas resin plastic and rubber are dry waste.