Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless 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 Coefficient of velocity for Borda’s mouth piece running full is 0.707 1.00 0.855 0.611 0.707 1.00 0.855 0.611 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is maximum at the pipe wall zero at the pipe wall None of these independent of shear stress maximum at the pipe wall zero at the pipe wall None of these independent of shear stress ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion viscosity surface tension friction cohesion viscosity surface tension friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (d)p = 2T/r p = T/2r (b)p = T/r (a)p = Txr (d)p = 2T/r p = T/2r (b)p = T/r (a)p = Txr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and shape of the cross section in a particular length remain constant size and cross section change uniformly along length the flow is steady the flow is streamline size and shape of the cross section in a particular length remain constant size and cross section change uniformly along length the flow is steady the flow is streamline ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS