Fluid Mechanics The ratio of pressure forces to inertial forces is called the __________ number. Froude Mach Reynold Euler Froude Mach Reynold Euler ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-ellipse Parabola Semi-circle Hyperbola Semi-ellipse Parabola Semi-circle Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Increases linearly with V Decreases linearly with V Decreases as V² None of these Increases linearly with V Decreases linearly with V Decreases as V² None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a __________ fluid. None of these Newtonion Bingham Perfect None of these Newtonion Bingham Perfect ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics? Newton Hooke Archimedes principle Newton Newton Hooke Archimedes principle Newton ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The continuity equation Relates work and energy Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates mass flow rate along a stream tube None of these Relates work and energy Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates mass flow rate along a stream tube None of these ANSWER DOWNLOAD EXAMIANS APP