Clearly indicate if each of the following is true or false? 1.1 Proper F/M ratio in a conventional activated sludge process is 0.2 to 0.5. 1.2 In wastewater treatment plants, all suspended solids can be removed in a grit chamber. 1.3 Some advantages in screw pumps are to provide good aeration and no clog. 1.4 The main focus in wastewater secondary treatment is to remove TSS. 1.5 Streeter Philips model may estimate environmental damages and DO level due to single or multiple pollution discharging points to a river, 1.6 Critical point is the point where maximum deficit in dissolved oxygen occurs. 1.7 Sequencing batch reactor requires two tanks, one for aeration and another for settling. 1.8 No need for returning sludge to the aeration tank in the Activated Sludge Method 1.9 Filamentous bacteria is an organisms that grow in thread or filamentous form and prevent settling of sludge in the secondary clarifier 1.10 Spring/fall turnover may cause the death of algae in a lake.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Clearly indicate if each of the following is true or false?
1.1 Proper F/M ratio in a conventional activated sludge process is 0.2 to 0.5.
1.2 In wastewater treatment plants, all suspended solids can be removed in a grit chamber.
1.3 Some advantages in screw pumps are to provide good aeration and no clog.
1.4 The main focus in wastewater secondary treatment is to remove TSS.
1.5 Streeter Philips model may estimate environmental damages and DO level due to single or multiple
pollution discharging points to a river,
1.6 Critical point is the point where maximum deficit in dissolved oxygen occurs.
1.7 Sequencing batch reactor requires two tanks, one for aeration and another for settling.
1.8 No need for returning sludge to the aeration tank in the Activated Sludge Method
1.9 Filamentous bacteria is an organisms that grow in thread or filamentous form and prevent settling of sludge
in the secondary clarifier
1.10 Spring/fall turnover may cause the death of algae in a lake.
Transcribed Image Text:Clearly indicate if each of the following is true or false? 1.1 Proper F/M ratio in a conventional activated sludge process is 0.2 to 0.5. 1.2 In wastewater treatment plants, all suspended solids can be removed in a grit chamber. 1.3 Some advantages in screw pumps are to provide good aeration and no clog. 1.4 The main focus in wastewater secondary treatment is to remove TSS. 1.5 Streeter Philips model may estimate environmental damages and DO level due to single or multiple pollution discharging points to a river, 1.6 Critical point is the point where maximum deficit in dissolved oxygen occurs. 1.7 Sequencing batch reactor requires two tanks, one for aeration and another for settling. 1.8 No need for returning sludge to the aeration tank in the Activated Sludge Method 1.9 Filamentous bacteria is an organisms that grow in thread or filamentous form and prevent settling of sludge in the secondary clarifier 1.10 Spring/fall turnover may cause the death of algae in a lake.
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