The most dangerous pollutant in vehicular emissions is____________________?
The most dangerous pollutant in vehicular emissions is____________________?
A. CO
B. SO2
C. CO2
D. O3
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Sewer ventilating columns are generally placed at_______________?
Sewer ventilating columns are generally placed at_______________?A. Distances 150 m to 300 m
B. Upper ends of branch sewers
C. Every change in the size of sewers
D. All the aboveProperty of a fluid by which its own molecules are attracted is called ________________?
Property of a fluid by which its own molecules are attracted is called ________________?A. adhesion
B. cohesion
C. viscosity
D. compressibility
E. surface tensionThe grit and silt of the grit chambers, may not be used for_________________?
The grit and silt of the grit chambers, may not be used for_________________?A. Raising low lying areas by dumg
B. Concreting
C. Both A. and B.
D. Neither A. nor BAs applied to capitalized asset, the distribution of the initial cost by a periodic changes to operation as in depreciation or the reduction of a debt by either periodic or irregular prearranged programs is called ___________________?
As applied to capitalized asset, the distribution of the initial cost by a periodic changes to operation as in depreciation or the reduction of a debt by either periodic or irregular prearranged programs is called ___________________?A. Annuity
B. Amortization
C. Capital recovery
D. Annuity factorCavitation is caused by___________________?
Cavitation is caused by___________________?A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low viscosityMaximum permissible velocity 1.5 m/sec, is adopted in drains_______________________?
Maximum permissible velocity 1.5 m/sec, is adopted in drains_______________________?A. With beds of rocks and gravels
B. Lined with stones
C. Both A. and B.
D. Neither A. nor B.