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 One-third Three-fourth Two-third Equal to One-third Three-fourth Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sinθ/Ax̅ below IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid) ρ/K K.ρ K/ρ None of the listed here ρ/K K.ρ K/ρ None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required to drive a centrifugal pump is directly proportional to _________ of its impeller. Fourth power of diameter Cube of diameter Diameter Square of diameter Fourth power of diameter Cube of diameter Diameter Square of diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Trapezoidal Rectangular Circular Square Trapezoidal Rectangular Circular Square ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) flv²/2gd 3flv²/2gd 4flv²/2gd flv²/gd flv²/2gd 3flv²/2gd 4flv²/2gd flv²/gd ANSWER DOWNLOAD EXAMIANS APP