Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 2HW/(H + W)² √(HW/π) HW/4(H + W)² HW/2(H + W)² 2HW/(H + W)² √(HW/π) HW/4(H + W)² HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In deriving Bernoulli's equation, fluid is assumed to be None of these Incompressible, frictionless, steady, along a streamline Uniform, steady, incompressible, along a streamline Steady, density being pressure dependent, frictionless None of these Incompressible, frictionless, steady, along a streamline Uniform, steady, incompressible, along a streamline Steady, density being pressure dependent, frictionless ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation dq/dx = K.q dq/dx = K dq/dx = Kq² dq/dx = K/q dq/dx = K.q dq/dx = K dq/dx = Kq² dq/dx = K/q ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A stream line is Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? Fluid flow between parallel plates Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle None of these Fluid flow between parallel plates Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Stoke's stream function applies to the Cases of axial symmetry Ideal/non-viscous fluids only Irrotational flow only None of these Cases of axial symmetry Ideal/non-viscous fluids only Irrotational flow only None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS