Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg/hf H = Hg - hf H = Hg + hf H = Hg × hf H = Hg/hf H = Hg - hf H = Hg + hf H = Hg × hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 4 and 6 2.5 and 4 1 and 2.5 1 and 6 4 and 6 2.5 and 4 1 and 2.5 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is given by the equation N√P / H² N√P / H3 N√P / H3/2 N√P / H5/4 N√P / H² N√P / H3 N√P / H3/2 N√P / H5/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called viscosity cohesion compressibility adhesion viscosity cohesion compressibility adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch. 0.01 0.015 0.025 0.02 0.01 0.015 0.025 0.02 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. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP