Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 2HW/(H + W)² HW/4(H + W)² √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity distribution for flow between two fixed parallel plates Is zero at the plates and increases linearly to the midplane None of these Is constant over the entire cross-section Varies parabolically across the section Is zero at the plates and increases linearly to the midplane None of these Is constant over the entire cross-section Varies parabolically across the section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volume of liquid displaced by a floating body is equivalent to its Own weight Submerged volume Own volume Submerged weight Own weight Submerged volume Own volume Submerged weight ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cp/Cv is termed as Prandtl number Weber number Mach number Adiabatic constant Prandtl number Weber number Mach number Adiabatic constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂s = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂s = constant ∂/∂s = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Control the liquid discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump Minimise the fluctuation in discharge Control the liquid discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump Minimise the fluctuation in discharge ANSWER DOWNLOAD EXAMIANS APP
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