Fluid Mechanics - Study Mode

[#351] The ratio of pressure forces to inertial forces is called the __________ number.
Correct Answer

(B) Euler

[#352] Ratio of inertial forces to surface tension forces is called the __________ number.
Correct Answer

(D) Weber

[#353] The ratio of inertial forces to viscous forces is called the __________ number.
Correct Answer

(D) Reynold

[#354] Cavitation in a centrifugal pump can be avoided by keeping the
Correct Answer

(A) Inlet pressure high

[#355] Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary.
Correct Answer

(B) II, III, V