Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) HW/4(H + W)² 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 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump results from Low barometric pressure High discharge velocity High discharge rate High discharge pressure Low barometric pressure High discharge velocity High discharge rate High discharge pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Increased in the direction of flow None of these Not constant along a streamline Constant along a streamline Increased in the direction of flow None of these Not constant along a streamline Constant along a streamline 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 Varies parabolically across the section Is constant over the entire cross-section Is zero at the plates and increases linearly to the midplane None of these Varies parabolically across the section Is constant over the entire cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? Low barometric pressure Low suction pressure High suction pressure High suction velocity Low barometric pressure Low suction pressure High suction pressure High suction velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The value of critical Reynolds number for pipe flow is 1300 10000 100000 None of these 1300 10000 100000 None of these ANSWER DOWNLOAD EXAMIANS APP