Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to speed of impeller Proportional to diameter of impeller None of these Proportional to diameter and speed of impeller Proportional to speed of impeller Proportional to diameter of impeller None of these Proportional to diameter and speed of impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 2 to 4 8 to 16 16 to 24 4 to 8 2 to 4 8 to 16 16 to 24 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is 275.4 r.p.m 241.5 r.p.m. 175.4 r.p.m. 215.5 r.p.m. 275.4 r.p.m 241.5 r.p.m. 175.4 r.p.m. 215.5 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be First rise and then fall Horizontal Steep Nearly horizontal First rise and then fall Horizontal Steep Nearly horizontal 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) Cc × Cr Cc/Cr Cc × Cv Cv × Cr Cc × Cr Cc/Cr Cc × Cv Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. Equal to Two-third Three-fourth One-third Equal to Two-third Three-fourth One-third ANSWER DOWNLOAD EXAMIANS APP