If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be________?
Correct answer
D. 1/(1-0.9°10)
Explanation
The correct answer is 1/(1-0.9°10).
Correct answer
D. 1/(1-0.9°10)
Explanation
The correct answer is 1/(1-0.9°10).
The difference in height between highest high water and lowest low water is called________?
The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is________?
The sewer pipes________?
The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is________?
Consider the following statements?
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of________?