Question 3181. Bernoulli’s equation is dependent on the__________________?

Question 3182. Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?

Question 3183. Which of the following produces maximum pressure difference for transportation of gases ?

Question 3184. For the production of very high vacuum, a _____________ pump is normally used?

Question 3185. Navier-Stokes equation is useful in the analysis of _____________ fluid flow problems?

Question 3186. The hydraulic diameter of an annulus of inner and outer radii Ri and Ro respectively is___________________?

Question 3187. A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?

Question 3188. Minimum fluidisation velocity for a specific system depends upon the___________________?

Question 3189. In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is___________________?

Question 3190. The most economical flow control valve for use with large diameter pipes is a__________________?