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.Management Sciences
Category: Waste Water Engineering
For design purposes, the normal rate of infiltration of ground water into the sewer, is___________________?
0
A. 500 litres/km/cm
B. 1000 litres/km/cm
C. 1500 litres/km/cm
D. 2000 litres/km/cm
The liquid wastes from kitchens, bath rooms and wash basins, is not called________________?
A. Liquid waste
B. Sullage
C. Sewage
D. None of these
Kjeldahl nitrogen is a mixture of___________________?
A. Ammonia and nitrogen
B. Nitrogen and organic nitrogen
C. Organic nitrogen and ammonia
D. All the above
Which one of the following resists hydrogen sulphide corrosion ?
A. R.C.C.
B. Glazed stone wares
C. Asbestos cement
D. Glazed ware
The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in__________________?
A. Chezy’s formula
B. Bazin’s formula
C. Kutter’s formula
D. Manning’s formula
The small sewers are cleaned by____________________?
A. Flushing
B. Cane rodding
C. Wooden pills
D. None of these
For trunk and out-fall, the type of sewers generally used, is_____________________?
A. Standard egg shaped
B. Circular shaped
C. Horse shoe shaped
D. Parabolic shaped
Chlorination of water is done for the removal of____________________?
A. Bacterias
B. Suspended solids
C. Sediments
D. Hardness
Which one of the following part of human body withstands minimum radiation ?
A. Thyroid
B. Kidneys
C. Eyes
D. Ovaries/testis
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