Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) HB/(H + B) HB/2(H + B) 2HB/(H + B) 4HB/(H + B) HB/(H + B) HB/2(H + B) 2HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant 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 Bingham plastic Dilatant Newtonion Pseudoplastic Bingham plastic Dilatant Newtonion ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rise of liquid in a capillary tube is due to Cohesion Both A & B Adhesion Neither A nor B Cohesion Both A & B Adhesion Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Decreases Remains constant Increases linearly Increases Decreases Remains constant Increases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies As velocity Inversely as the square of diameter Inversely as the velocity As (velocity)² As velocity Inversely as the square of diameter Inversely as the velocity As (velocity)² ANSWER DOWNLOAD EXAMIANS APP
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