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The question consists of two statements, one labelled as ‘Assertion (A)’ and the other as ‘Reason (R)’: Assertion (A): Tapered flocculation is more efficient when compared to the conventional process of flocculation. Reason (R): In tapered flocculation, velocity gradient at the inlet is less than that at the outlet of the flocculation unit. Examine above two statements carefully and select the correct answer from the option given below: 
Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are
Which of the following treatment process are necessary for the removing suspended solids from water? a) Coagulation b) Sedimentation c) Flocculation d) Disinfection Select the correct answer using the codes given below:
During the physical treatment process of wastewater, what is the correct order of following operations to be followed? (A) Flocculation (B) Filtration (C) Screening (D) Sedimentation Choose the correct answer from the options given below :
The various treatment processes in a water treatment plant are listed below. A. Filtration B. Chlorination C. Sedimentation D. Coagulation E. Flocculation Which of the following is the correct sequence of processes in water treatment?
As per IS 10313:1982, which of the following factors does NOT influence the sedimentation process in a sedimentation tank ?
The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally
What is the detention period and overflow rate for plain sedimentation tank compared to sedimentation with coagulation?
Flocculation of iron from water by the addition of lime is an example of which of the following process?
Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes Process ? /* other code for process ? */ while(true) { varP = true; while(varQ == true) { /* Critical Section */ varP = false; } } /* other code for process ?? */   Process ? /* other code for process ? */ while(true) { varQ = true; while(varP == true) { /* Critical Section */ varQ = false; } } /* other code for process ? */   Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?