IRCTC is upgrading the train toilets by replacing the conventional toilet seats using which among the following system?
A
Bio-digester system
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B
Physical system
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C
Chemical system
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D
Conditional system
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Solution
The correct option is A Bio-digester system The toilets were introduced in train only after the Indian Railways completed its fifty years of service. IRCTC is upgrading the train toilets by replacing the conventional toilet seats with biodigester system. Biodigester tank are small-scale waste collection tanks below the toilets. It produces minimal waste and do not release the waste on track.