Hydraulics and Fluid Mechanics in ME The variation in the volume of a liquid with the variation of pressure is called its Viscosity Compressibility Capillarity Surface tension Viscosity Compressibility Capillarity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.6 to 0.9 1 to 1.5 0.4 to 0.5 0.15 to 0.3 0.6 to 0.9 1 to 1.5 0.4 to 0.5 0.15 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure varies in the same way as the density decreases linearly with elevation increases exponentially with elevation remains constant varies in the same way as the density decreases linearly with elevation increases exponentially with elevation remains constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L L/3 L/4 L/2 L L/3 L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following has highest coefficient of discharge ? sharp edged orifice venturimeter CipoUetti weir Borda’s mouthpiece running full sharp edged orifice venturimeter CipoUetti weir Borda’s mouthpiece running full ANSWER DOWNLOAD EXAMIANS APP