Correct answer
C. forced vortex at center and free vortex outside
Explanation
The correct answer is forced vortex at center and free vortex outside.
Which of the following is not a water borne disease?
For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of________?
If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is________?
In plastic analysis, the shape factor for rectangular section, is________?
A body is said to be in equilibrium if________?
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than________?