Hydraulics and Fluid Mechanics in ME In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. Equal to One-third One-half One-fourth Equal to One-third One-half One-fourth 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 remains constant increases exponentially with elevation varies in the same way as the density decreases linearly with elevation remains constant increases exponentially with elevation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 kN/m3 Any one of these 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 9.81 kN/m3 Any one of these 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to equation of continuity, a1/v1 = a2/v2 a1v1 = a2v2 w1a1 = w2a2 w1v1 = w2v2 a1/v1 = a2/v2 a1v1 = a2v2 w1a1 = w2a2 w1v1 = w2v2 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 Decreases Remain same None of these Increases Decreases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cv × Cr Cc × Cv Cc/Cr Cc × Cr Cv × Cr Cc × Cv Cc/Cr Cc × Cr ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS