Fluid Mechanics Boundary layer separation occurs when the Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A piezometer opening measures the __________ fluid pressure. Static Undisturbed Dynamic Total Static Undisturbed Dynamic Total ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. All of these BHP required by the pump Head of the liquid pumped NPSH required All of these BHP required by the pump Head of the liquid pumped NPSH required ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 4 2.828 5.657 2 4 2.828 5.657 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is 90 45 30 60 90 45 30 60 ANSWER DOWNLOAD EXAMIANS APP
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