Hydraulics and Fluid Mechanics in ME The factional resistance of a pipe varies approximately with __________ of the liquid. Cube of velocity Square of velocity Velocity Pressure Cube of velocity Square of velocity Velocity Pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Increases None of these Decreases Remain same Increases None of these Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
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)1/5 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipe systems can be said to be equivalent, when the following quantities are same Friction factor and diameter Flow and length Friction loss and flow Length and diameter Friction factor and diameter Flow and length Friction loss and flow Length and diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a curve, is called One-dimensional flow Three-dimensional flow Four-dimensional flow Two-dimensional flow One-dimensional flow Three-dimensional flow Four-dimensional flow Two-dimensional flow ANSWER DOWNLOAD EXAMIANS APP