A. Its intensity
B. Its direction
C. Its frequency
D. All the above
Related Mcqs:
- A rainfall may be classified as acidic if its pH value is less or equal to________________?
A. 6
B. 7
C. 5
D. 6.5 - The quantity of liquid waste which flows in sewers during the period of rainfall, is known__________________?
A. Sanitary sewage
B. Industrial waste
C. Storm sewage
D. None of these - The pH value of sewage is determined with the help of_________________?
A. Imhoff Cone
B. Turbid meter
C. Potentiometer
D. None of these - Setting out the alignments of sewers may start from__________________?
A. City
B. Out-fall
C. Tail end
D. Any point - Depletion of ozone layer in the outer atmosphere may cause___________________ ?
A. Lung cancer
B. Skin cancer
C. Bronchitis
D. Heart disorder - Pathogens (or pathogenic bacterias) in water may cause___________________?
A. Typhoid
B. Cholera
C. Dysentery
D. All the above - The detention time (t) of a settling tank, may be defined as the time required for_________________?
A. A particle to travel along its length
B. A particle to travel from top surface to bottom sludge zone
C. The flow of sewage to fill the tank
D. None of these - Fresh sewage may become stale in_________________?
A. One hour
B. Two to three hours
C. Three to four hours
D. Six hours - If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by_________________?
A. Chezy
B. Manning
C. Bazin
D. Kutter - The use of coarse screens for the disposal of sewage, may be dispensed with by______________?
A. Comminutor
B. Shredder
C. Both A. and B.
D. Neither A. nor B.
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