Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 d4/5 d1/3 √d d2/3 d4/5 d1/3 √d 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 None of these Decreases as V² Decreases linearly with V Increases linearly with V None of these Decreases as V² Decreases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Froude Reynold Weber Mach Froude Reynold Weber Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Medium viscosity lubricating oil can be most ideally pumped by a __________ pump. Vane Centrifugal Piston Plunger Vane Centrifugal Piston Plunger ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is 1 < 1 2 > 1 1 < 1 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP
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