Fluid Mechanics The ratio of pressure forces to inertial forces is called the __________ number. Froude Reynold Euler Mach Froude Reynold Euler Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics 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. I, II, V II, III, V I, II, III II, IV, V I, II, V II, III, V I, II, III II, IV, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For the transfer of solution of thick slurry, the pump used is a __________ pump. Centrifugal Gear Reciprocating Diaphragm Centrifugal Gear Reciprocating Diaphragm ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂t = constant ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP