The gas evolved in sewers is________________?
The gas evolved in sewers is________________?
A. Carbondioxide
B. Hydrogen sulphide
C. Methane
D. All of these
Similar Posts
An ideal flow of any fluid must fulfill the following______________?
An ideal flow of any fluid must fulfill the following______________?A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
E. Boundary layer theoryThe units of dynamic or absolute viscosity are_______________?
The units of dynamic or absolute viscosity are_______________?A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec2 per meter
E. none of the aboveThe small sewers are cleaned by____________________?
The small sewers are cleaned by____________________?A. Flushing
B. Cane rodding
C. Wooden pills
D. None of theseFor drainage pipes in buildings the test applied before putting them to use, is__________________?
For drainage pipes in buildings the test applied before putting them to use, is__________________?A. Water test
B. Smoke test
C. Straightness test
D. All the aboveOperation of McLeod gauge used for low pressure measurement is based on the principle of_____________________?
Operation of McLeod gauge used for low pressure measurement is based on the principle of_____________________?A. gas law
B. Boyle’s law
C. Charle’s law
D. Pascal’s law
E. McLeod’s lawTraps_________________?
Traps_________________?A. Are water seals which prevent the entry of foul gases
B. Are used to trap the rats entering sewers
C. Dissolve the foul gases
D. Create symphonic action to increase the quick disposal of sewerage