Tag: pollution, sources, effects and preventive measures

Questions Related to pollution, sources, effects and preventive measures

Containers should be labeled:

  1. After the container has been filled with waste

  2. Never

  3. As soon as the first drop of waste is added to the container

  4. When the waste is brought to EHS for disposal


Correct Option: C
Explanation:

Containers should be labeled as soon as the first drop of waste is added to the container.

E-waste is identify as

  1. Electronic waste

  2. Electrical waste

  3. Email waste

  4. Easy waste


Correct Option: A
Explanation:

E-Waste describes discarded electronic devices. Used electronics which are meant to be recycled are also included in this category. Used computers, office electronic equipment, entertainment device electronics, mobile phones, television sets, and refrigerators are the examples of e-waste

E-waste contain lead, cadmium, beryllium etc. which are potentially harmful. Recycling and disposing of e-waste poses a high risk to the workers. 

This includes used menstrual cloth, sanitary napkins, disposable diapers, bandages and any material that is contaminated with blood or
other body fluids.

  1. Biomedical Waste

  2. Dry Waste

  3. Wet Waste

  4. None of these


Correct Option: A
Explanation:

Biomedical waste includes used menstrual cloth, sanitary napkins, disposable diapers, bandages and any material that is contaminated with blood or other body fluids.

Medical wastes are classified as infectious wastes and non-infectious waste. Most of the biomedical waste is toxic in nature.

Non-infectious waste: It is not harmful and do not result in spread of any infection. Examples include: catheters, colostomy bags etc.

Infectious waste: Needles with pathogens, blood containing swabs etc. are the source of infections.

The maximum amount of hazardous waste that can be held in a satellite

accumulation site (excluding acutely hazardous waste) would be?

  1. 55 gallons

  2. 5 gallons

  3. 2 quarts

  4. 10 kilograms


Correct Option: A
Explanation:

The maximum amount of hazardous waste that can be held in a satellite accumulation site (excluding acutely hazardous waste) would be 55 gallons.

A hazardous waste can be a:

  1. Solid

  2. Liquid

  3. Sludge

  4. All of the above


Correct Option: D
Explanation:

Hazardous wastes are wastes with properties that make them dangerous or potentially harmful to human health or the environment. Hazardous wastes  can be liquids, solids, contained gases, or sludges.

When labeling a vessel that contains hazardous waste which statement is correct:

  1. Only the hazardous substance present in greatest volume need appear on the label

  2. Only flammable, corrosive and reactive substances need to be listed

  3. List all hazardous components and their concentrations

  4. List only the liquids color, taste and general smell


Correct Option: C
Explanation:

When labeling a vessel that contains hazardous waste one must list all hazardous components and their concentrations.

The method where waste materials are dumped in open low lands are known as ______________.

  1. segregation

  2. open dumping

  3. sanitary landfill

  4. composting


Correct Option: B
Explanation:

Open dumping means dumping of waste in an open site or low lands or barren stretch of lands. It is harmful to the environment and is prone to burning, pronr to being carried away by air and eaten by stray animals. It is an illegal method of dumping waste which can be seen in many places in developing countries like India.

Which of the following are the advantages of sanitary landfill?

  1. It is free from air pollution from burning

  2. The health problems are minimised since flies, rats and other pests cannot breed

  3. It is mostly free from fire hazards

  4. All of the above


Correct Option: D
Explanation:

The landfill is an area of land used to dump the solid waste. It has its advantage as the dumping of waste material prevents the burning of it which is the major cause of air pollution. Rats, pests and other animals cannot breed in it due to the absence of air and decomposing of waste by microorganisms which reduce health problems and it is safe from hazards caused due to fires.

The process which involves in the decomposition of organic waste into humus is known as ___________.

  1. manure

  2. fertilizer

  3. compost

  4. none of the above


Correct Option: C
Explanation:

Composting is the process of biodegrading the organic matter into simpler substances aerobically (in the presence of oxygen) or anaerobically (in the absence of oxygen) by the action of microorganisms including bacteria and fungi which results into formation of compost or humus that is a dead and decayed matter which is further used as manure and fertilizers.

Which method is considered an unacceptable (illegal) means of disposing of hazardous waste?

  1. Pouring down the sink

  2. Placing in the regular trash

  3. Pouring down the storm sewer

  4. All methods above are unacceptable


Correct Option: D
Explanation:

Following method is considered an unacceptable (illegal) means of disposing of hazardous waste:-

  • Pouring down the sink
  • Placing in the regular trash
  • Pouring down the storm sewer