Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Sixteen times Four times Double Eight times Sixteen times Four times 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/Cr Cc × Cr Cc × Cv Cv × Cr Cc/Cr Cc × Cr Cc × Cv ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to equation of continuity, a1/v1 = a2/v2 w1a1 = w2a2 w1v1 = w2v2 a1v1 = a2v2 a1/v1 = a2/v2 w1a1 = w2a2 w1v1 = w2v2 a1v1 = a2v2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on a sphere a circular disc of plate held normal to flow a cylinder a streamlined body a sphere a circular disc of plate held normal to flow a cylinder a streamlined body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Super-sonic flow Hyper-sonic flow Sonic flow Sub-sonic flow Super-sonic flow Hyper-sonic flow Sonic flow Sub-sonic flow ANSWER DOWNLOAD EXAMIANS APP