ΑΗΗΕ E-WASTE
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what is produced from the computer screen's compression during the recycling process,besides cuprum?
- ΗCL
- glass
- paper
- combustible materials
which method is not used in wire disintegration during the recycling process??
- wire stripping
- wire partition
- burning wires
- plunge into H2SO4
what material is produced from the reusage of computer wires?
- liquid
- leaves
- cuprum
- metal
which of the following chemical elements can be found in computers and is toxic for human and the environment?
- lead
- potassium,sodium
- rubidium,ferum
- oxygen,hydrogen
how much was the computer's life circle reduced during the last years?
- 5-7
- 2-3
- 6-10
- 10-30
with the term electronic offal we mean?
- electronic viruses
- electronic devices that are not used
- electronic,non-beneficial programs
- none of the above
which of the following provokes lung tumor?
- cadmium
- chrome
- barium
- antimony
the pins that are produced from the pc expansion cards during the recycling process are compounded with?
- nitric acid
- sulfuric acid
- sodium nitrate
- hydrochloric acid
The steps followed during the process of the computer wires` plastic in order to be recycled are:
- wire partition
- cleaning,washing with water
- dry, classification
- All of the above
The elecronic device that is not used can be considered as:
- the perfect gift
- useless
- reusable
- beneficial
Which of the following materials is an insulator?
- plastic
- barium
- cuprum
- ferum
Which of the follozing materials is a semiconductor?
- magnesium and cobalt
- Rhodium and platinum
- Germanium and gallium
- Gold and palladium
Which of the following materials does not release phosphorus in hte CRT monitor?
- Vanadium
- terbium
- vyrillium
- cadmium
What is produced during the computer screen`s dismantlement?
- delfection coil
- glass
- electric canun
- all of the above
What is produced from the circuits printed after the computer`s dismantlement?
- solder
- components: capasitors, resistors
- empty pwb`s
- all of the above