Civil Engineering MCQs

2965 MCQs  (Page 277 of 297)

Rate of flow of sewage is generally assumed__________________?
A. More than the rate of water supply
B. Equal to the rate of water supply
C. Less than the rate of water supply
D. At 150 litres per capita
In sewers the gas generally found, is_________________?
A. Hydrogen sulphide (h2s)
B. Carbon dioxide (co2)
C. Methane (ch4)
D. All the above
The small sewers are cleaned by____________________?
A. Flushing
B. Cane rodding
C. Wooden pills
D. None of these
In sewage, the solids in mg per litre is__________________?
A. 100 to 500
B. 500 to 1000
C. 1000 to 1500
D. 1500 to 2000
Which one of the following resists hydrogen sulphide corrosion ?
A. R.c.c.
B. Glazed stone wares
C. Asbestos cement
D. Glazed ware