Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Minimum Zero Maximum Could be any value Minimum Zero Maximum Could be any value ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of 1 1.2 0.75 0.8 1 1.2 0.75 0.8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Buoyant force is Equal to the volume of liquid displaced The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body The resultant force on a body due to the fluid surrounding it Equal to the volume of liquid displaced The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body The resultant force on a body due to the fluid surrounding it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It is at rest It has zero viscosity It has uniform viscosity It is incompressible It is at rest It has zero viscosity It has uniform viscosity It is incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Surface tension Adhesion Cohesion Viscosity Surface tension Adhesion Cohesion Viscosity ANSWER DOWNLOAD EXAMIANS APP