Related Questions

A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will
A Sink to bottom
B Float over fluid
C Partly immersed
D Be fully immersed with top surface at fluid surface
A metal with specific gravity of o floating in a fluid of same specific gravity a will
A sink to bottom
B float over fluid
C partly immersed
D be fully immersed with top surface at fluid surface
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
A Powder & grannular solids
B Liquids
C Low melting point semi-solids
D All of the above
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
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.
A Zero
B Minimum
C Maximum
D None of these

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