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GATE CE 2022: Environmental Engineering Quiz #9
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Question 1
Which of the following conditions create a trapping flume
Question 2
A list of air pollutants is given. which of these are secondary air pollutants?
1) Ozone
2) PAN
3) SO2
4) SPM
Question 3
A gas contains two types of suspended particles having average sizes of and Amongst the options given below, the most suitable pollution control strategy for removal of these particles is
Question 4
Match list-I with list-II and select the correct answer using the codes given below the lists:
Here, ELR = Environmental lapse rate, DALR = Dry adiabatic lapse rate
Question 5Multiple Correct Options
Which of the air pollutants are primary pollutants
Question 6
Total suspended particulate matter concentration in ambient air is to be measured using a high-volume sampler. The filter used for this purpose had an initial dry weight of 9.787 g. The filter was mounted in the sampler and the initial air flow rate through the filter was set at 1.5 m3/min. Sampling continued for 24 hours. The airflow after 24 hours was measured to be 1.4 m3/min. The dry weight of the filter paper after 24 hours sampling was 10.283 g. Assuming a linear decline in the air flow rate during sampling, what is the 24 hour average TSP concentration in the ambient air(in 10-6 g/m3?
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Jul 20ESE & GATE CE