Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/2(H + W)² 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 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Specific speed of a centrifugal pump relates it with another pump having the Geometrical similarity Same speed Dynamic similarity Same efficiency Geometrical similarity Same speed Dynamic similarity Same efficiency ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential. 10 50 1 30 10 50 1 30 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to gravity forces is called the __________ number. Euler Mach Froude Weber Euler Mach Froude Weber ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady uniform flow is represented by flow through a/an None of these Long pipe at constant rate Long pipe at decreasing rate Expanding tube at constant rate None of these Long pipe at constant rate Long pipe at decreasing rate Expanding tube at constant rate ANSWER DOWNLOAD EXAMIANS APP