Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 16/RN 4/RN 1/RN 64/RN 16/RN 4/RN 1/RN 64/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Francis turbine Pelton wheel None of these Kaplan turbine Francis turbine Pelton wheel None of these Kaplan turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the viscosity of fluid is dominating over the inertia force is called Laminar flow Unsteady flow Turbulent flow Steady flow Laminar flow Unsteady flow Turbulent flow Steady flow ANSWER DOWNLOAD EXAMIANS APP