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GATE 2019 Environmental Engineering Day 3 Quiz

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Question 1

Two biodegradable components of municipal solid waste are

Question 2

Two electrostatic precipitators (ESPs) are in series. The fractional efficiencies of the upstream and downstream ESPs for size dp are 80% and 65% respectively. What is the overall efficiency of the system for the same dp?

Question 3

A circular primary clarifier processes 5005 cubic meters of municipal wastewater every day. The overflow rate is 35m3/m2d. The diameter of the clarifier shall be _____.

Question 4

Solid waste generated from an industry contains only two components, X and Y as shown in the table below

Assuming (c1 + c2) = 100, the composite density of the solid waste (ï) is given by :

Question 5

The organism, which exhibits very nearly the characteristics of an ideal pathogenic indicator, is

Question 6

The energy content of a municipal solid waste is 15,000 kJ/kg (as discarded). If the moisture content of the MSW is 15% and ash content is 10%, the energy content on an ash free dry basis (in kJ/kg) is
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Jun 22ESE & GATE CE