Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a None of these Butterfly valve Globe valve Needle valve None of these Butterfly valve Globe valve Needle valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For an unstable equilibrium of a floating body (where, M = metacentre.) M is above G None of these M & G coincide M is below G M is above G None of these M & G coincide M is below G ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/4(H + W)² √(HW/π) 2HW/(H + W)² HW/2(H + W)² HW/4(H + W)² √(HW/π) 2HW/(H + W)² HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.8 Vavg Vavg 1.2 Vavg 1.5 Vavg 1.8 Vavg Vavg 1.2 Vavg 1.5 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is 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 Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Potential flow is the flow of Incompressible fluids with shear Incompressible fluids with no shear Compressible fluids with no shear Compressible fluids with shear Incompressible fluids with shear Incompressible fluids with no shear Compressible fluids with no shear Compressible fluids with shear ANSWER DOWNLOAD EXAMIANS APP