Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is HB/(H + B) HB/2(H + B) 4HB/(H + B) 2HB/(H + B) HB/(H + B) HB/2(H + B) 4HB/(H + B) 2HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Data insufficient to predict pressure drop Increase Decrease Remain same Data insufficient to predict pressure drop Increase Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid. Dilatent Bingham plastic Pseudoplastic Newtonion Dilatent Bingham plastic Pseudoplastic Newtonion ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady non-uniform flow is represented by flow through a/an Expanding tube at constant rate Long pipe at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Expanding tube at constant rate Long pipe at constant rate Expanding tube at increasing rate Long pipe at decreasing rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is Q/8 Q/16 Q/4 Q/2 Q/8 Q/16 Q/4 Q/2 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 None of these Increases linearly with V Decreases as V² Decreases linearly with V None of these Increases linearly with V Decreases as V² Decreases linearly with V ANSWER DOWNLOAD EXAMIANS APP
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