Solid and hazardous waste management Practice Test | Environmental Science Quiz

1.Process of thermal degradation of solid waste in the absence of oxygen is referred to as
Incineration
Pyrolysis
Gassification
Sublimation

2.The abandoned, idlet or under used industrial and commercial facilities, where expansion or redevelopment is complicated by real or perceived contamination, are defined as
Greenfields
Landfills
Brownfields
Greyfields

3.Which method is most appropriate for separating tin cans from aluminium cans in municipal solid waste
manual sorting
shear shredding
pelletizing
magnetic field separation

4.Name the low heat thermal process that destroys the pathogen in biomedical waste by heating that occurs inside the waste material
microwave
autoclave
pyrolysis
hydroclave

5.Hardening of the steel releases the hazardous waste containing
Brine sludge containing mercury
lead bearing residues
tar containing waste
Cyanide nitrate containing sludge

6.Among the following methods, the most cost effective method for treating the infectious waste from hospitals is
autoclaving
deep burial
incineration
fumigation

7.Which one of the following methods converts decomposed liquid or solid hazardous organic waste effectively?
HO2
CO2
NO2
SO2

8. Which one of the following is not a part of 'Waste Reduction' strategy?
Reduced use of raw material
Material Reuse
Recycling of waste
Decreased toxicity

9.Which one of the following has maximum destruction and removable efficiency?
Incineration
Landfill
Biological Treatment
Chemical treatment

10.Which statement is not correct for hazardous wastes
They contain one or more of 39 toxic compounds
They catch fire easily
They are non reactive and stable
They are capable of corroding metal containers

Score =
Correct answers:

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