Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.81 times 0.34 times 0.95 times 0.67 times 0.81 times 0.34 times 0.95 times 0.67 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Bernoulli's equation is based on the assumption that The velocity of flow is uniform across any cross-section of the pipe No force except gravity acts on the fluid All of these There is no loss of energy of the liquid flowing The velocity of flow is uniform across any cross-section of the pipe No force except gravity acts on the fluid All of these There is no loss of energy of the liquid flowing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) 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 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 Any one of these 9.81 kN/m3 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 Any one of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to energy imparted to the wheel None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to energy imparted to the wheel None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than surface friction viscosity All of these frictional force surface friction viscosity All of these frictional force ANSWER DOWNLOAD EXAMIANS APP
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