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-circle Parabola Hyperbola Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg. 0.001 0.1 1 0.01 0.001 0.1 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
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 In an incompressible flow of fluid, the fluid Is frictionless Compressibility is greater than zero Temperature remains constant Density does not change with pressure & temperature Is frictionless Compressibility is greater than zero Temperature remains constant Density does not change with pressure & temperature ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 5.657 2 4 2.828 5.657 2 4 2.828 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. II, III, V II, IV, V I, II, V I, II, III II, III, V II, IV, V I, II, V I, II, III ANSWER DOWNLOAD EXAMIANS APP
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