Hydraulics & Fluid Mechanics The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to 981 PA 9810 PA 1 PA 91 PA 981 PA 9810 PA 1 PA 91 PA ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas None of these is incompressible has constant viscosity is of theoretical interest None of these is incompressible has constant viscosity is of theoretical interest ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be could be any value minimum negative value maximum could be any value minimum negative value maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid only when the fluid is frictionless When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) frictionless flow uniform flow incompressible flow steady flow frictionless flow uniform flow incompressible flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of surface tension cohesion friction viscosity surface tension cohesion friction viscosity ANSWER DOWNLOAD EXAMIANS APP
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