Hydraulics And Fluid Mechanics - Study Mode

[#261] A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1 : 225. How long should it take to empty the prototype?
Correct Answer

(D) $$4 imes {left( {225} ight)^{frac{1}{2}}}{ ext{ minutes}}$$

[#262] According to Bernoulli’s equation for steady ideal fluid flow
Correct Answer

(D) the energy is constant along a stream-line but may vary across streamlines

[#263] When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies
Correct Answer

(B) as the square of the radial distance

[#264] The density of water is 1000 kg/m 3 at
Correct Answer

(C) 4°C

[#265] Which of the following is demensionless
Correct Answer

(D) specific gravity