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.Management Sciences
A. 5 to 10 cm/sec.
B. 15 to 30 cm/sec.
C. 15 to 30 cm/minute
D. 15 to 30 cm/hour
Related Mcqs:
- The polluted water is one which_______________?
- A. contains pathogenic bacteria B. consists of undesirable substances rendering it unfit for drinking and domestic use C. is safe and suitable for drinking and domestic use D. is contaminated...
- The percentage of chlorine in fresh bleaching powder is about________________?
- A. 10 to 15 B. 20 to 25 C. 30 to 35 D. 40 to 50...
- If the sewage contains grease and fatty oils, these are removed in_________________?
- A. grit chambers B. detritus tanks C. skimming tanks D. sedimentation tanks...
- The hydraulic mean depth (HMD. for an egg-shaped sewer flowing two-third full is_______________?
- A. equal to HMD when flowing full B. less than HMD when flowing full C. greater than HMD when flowing full D. none of the above...
- The detention period in coagulation tanks is usually kept as_______________?
- A. 1 to 2 minutes B. 30 to 45 minutes C. 2 to 6 hours D. 2 to 6 days...
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