Nitrogen cycle of sewage, is

A Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen
B Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates
C Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia
D Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates

Correct Answer: Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen

Bissoy MCQ
#Civil Engineering #Waste Water Engineering

Related Questions

During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
A Filtration
B Digestion
C Sedimentation
D Both B and C
Fine grit present in sewage is removed in the __________ during sewage treatment.
A Grit chamber
B Detritus tank
C Trickling filter
D Skimming tank
__________ substances present in sewage are removed in grit chamber during sewage treatment.
A Organic
B Fatty
C Inorganic
D Dissolved
Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is?
A Centrifugal pump
B Pneumatic ejector
C Reciprocating pump
D None of these
Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is
A H2
B CH4
C CO2
D N2
Which of the following pumps is used to pump sewage solids with liquid sewage without clogging the pump is?
A Centrifugal pump
B Pneumatic ejector
C Reciprocating pump
D None of these
If the sewage is fully oxidized, the nitrogen is in the form of
A Nitrites
B Ammonia
C Nitramines
D Nitrates
A well oxidized sewage contains nitrogen mainly as
A Nitrates
B Nitrites
C Free ammonia
D None of these
In sewage having fully oxidised organic matter, the nitrogen exists in the form of
A Nitrites
B Nitrates
C Free ammonia
D Aluminoid nitrogen
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle
A Heat rejection is lower
B Expansion and compression are isentropic
C Combustion is at constant volume
D Maximum temperature is higher

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