Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs/Dp³ Vs/Dp² Vs²/Dp³ Vs²/Dp² Vs/Dp³ Vs/Dp² Vs²/Dp³ Vs²/Dp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid. Pseudoplastic Newtonion Bingham plastic Dilatant Pseudoplastic Newtonion Bingham plastic Dilatant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² 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 NPSH required Head of the liquid pumped All of these BHP required by the pump NPSH required Head of the liquid pumped ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is 0.44 44 0.044 4.4 0.44 44 0.044 4.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can be operated with delivery valve closed Are not subject to air binding Can handle slurries more efficiently Deliver liquid at uniform pressure Can be operated with delivery valve closed Are not subject to air binding Can handle slurries more efficiently Deliver liquid at uniform pressure ANSWER DOWNLOAD EXAMIANS APP
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