The intensity of rain is expressed in________________?
The intensity of rain is expressed in________________?
A. cm/minute
B. cm/hour
C. cm/day
D. None of these
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In sewage having fully oxidised organic matter, the nitrogen exists in the form of________________?
In sewage having fully oxidised organic matter, the nitrogen exists in the form of________________?A. Nitrites
B. Nitrates
C. Free ammonia
D. Aluminoid nitrogenare available in size Stoneware sewers________________?
are available in size Stoneware sewers________________?A. 10 cm
B. 15 cm
C. 20 cm
D. All the aboveThe grit chambers of sewage treatment plants, are generally cleaned after__________________?
The grit chambers of sewage treatment plants, are generally cleaned after__________________?A. 2 days
B. 7 days
C. 12 days
D. 14 daysThe spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?
The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?A. 0.9 cm
B. 1.2 m
C. 1.5 m
D. > 1.5 mThe profit derived from a project or business enterprise without consideration of obligations to financial contributors and claims of others based on profit is known as _____________________?
The profit derived from a project or business enterprise without consideration of obligations to financial contributors and claims of others based on profit is known as _____________________?A. Yield
B. Economic return
C. Earning value
D. GainSpecific weight of sea water is more that of pure water because it contains ________________?
Specific weight of sea water is more that of pure water because it contains ________________?A. dissolved air
B. dissolved salt
C. suspended matter
D. all of the above
E. heavy water