Fluid Mechanics For an unstable equilibrium of a floating body (where, M = metacentre.) M is below G M is above G None of these M & G coincide M is below G M is above G None of these M & G coincide ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The __________ is measured by a piezometric opening. Total pressure Static pressure Dynamic pressure Point velocity Total pressure Static pressure Dynamic pressure Point velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to Develop effective pressure rise by the pump Avoid chances of separation inside the impeller Increase the mass flow rate of fluid None of these Develop effective pressure rise by the pump Avoid chances of separation inside the impeller Increase the mass flow rate of fluid 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. Perfect Bingham None of these Newtonion Perfect Bingham None of these Newtonion 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