Hydraulics And Fluid Mechanics In Me - Study Mode

[#81] The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.
Correct Answer

(A) $$frac{{{I_{ ext{G}}}}}{{{ ext{A}}overline { ext{x}} }}{ ext{ below}}$$

[#82] The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
Correct Answer

(B) Specific gravity of liquid

[#83] According to Bazin's formula, the discharge over a rectangular weir is $${ ext{mL}}sqrt {2{ ext{g}}} imes {{ ext{H}}^{frac{3}{2}}},$$ xa0 xa0where m is equal to
Correct Answer

(A) $$0.405 + frac{{0.003}}{{ ext{H}}}$$

[#84] In an isothermal atmosphere, the pressure
Correct Answer

(C) Varies in the same way as the density

[#85] Rain drops are spherical because of
Correct Answer

(C) Surface tension forces