Fluid Mechanics Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an Pitot tube Venturimeter Rotameter Orificemeter Pitot tube Venturimeter Rotameter Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Low specific speed of a pump implies that, it is a/an __________ pump. None of these Centrifugal Axial flow Mixed flow None of these Centrifugal Axial flow Mixed flow 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 Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse Semi-circle Parabola 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. Bingham None of these Newtonion Perfect Bingham None of these Newtonion Perfect 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 12 mm/s 16 mm/s 24 mm/s 28 mm/s 12 mm/s 16 mm/s 24 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP