Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can be operated with delivery valve closed Deliver liquid at uniform pressure Can handle slurries more efficiently Are not subject to air binding Can be operated with delivery valve closed Deliver liquid at uniform pressure Can handle slurries more efficiently Are not subject to air binding ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics __________ is an example of axial flow impeller. Propeller All of these Paddle Turbine Propeller All of these Paddle Turbine 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. Hyperbola Parabola Semi-circle Semi-ellipse Hyperbola Parabola Semi-circle Semi-ellipse ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 24 mm/s 12 mm/s 28 mm/s 16 mm/s 24 mm/s 12 mm/s 28 mm/s 16 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d4/5 √d d1/3 d2/3 d4/5 √d d1/3 d2/3 ANSWER DOWNLOAD EXAMIANS APP
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