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What is the colour of septic waste water? - Practice - ObjectiveMcq

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What is the colour of septic waste water?

Correct Answer: B — Black

The colour of the septic water is black. If the waste water undergoes some degree of decomposition the colour of water is light grey.

Which of the following turbine is preferred for 0 tom head of water?
Discharge of a centrifugal pump is __________
A hydraulic coupling belongs to the category of __________
Multi-stage centrifugal pumps are used to __________
Slip of a reciprocating pump is defined as the __________
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the __________
Geometric similarity is said to exist between the model and the prototype if both of them __________
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as?