The process of lagooning is primarily a means of
A.increasing the capacity of storage reservoirs
B.increasing flow of sewage through Imhoff tanks
C.reducting the excessive flow in sewers
D.disposing sludge
A.increasing the capacity of storage reservoirs
B.increasing flow of sewage through Imhoff tanks
C.reducting the excessive flow in sewers
D.disposing sludge
A.1
B.1.33
C.1.4
D.1.41
E.1.67
A.cooling the material
B.heating the material
C.surrounding it by neutron reflecting material
D.surrounding it by neutron absorbing material
A.Water
B.Mercury
C.Carbon tetrachloride
D.Ethly alcohol
A.the shear stress is directly proportional to the viscosity
B.the shear stress is inversely proportional to the viscosity
C.the shear stress is independent of the viscosity
D.the shear stress is directly proportional to the square of viscosity
A.producing an electric charge on the particle to be collected and then directing it by electrostatic forces to the collecting electrodes
B.centrifugal force acting on the particle
C.diffusion of dust particles
D.the creation of intimate contact between a stream of gas and a flow of scrubbing liquor.
A.a catalytic reaction
B.a photochemical reaction
C.an autocatalytic reaction
D.a biochemical reaction.
A.oxidation number decreases
B.number of electrons decreases
C.oxygen content decreases
D.number of ions decreases
A.which by nuclear reactions give fission fuels
B.which can be fissioned by thermal neutrons
C.which can be fissioned by fast neutrons
D.which cannot be converted into fission fuels