Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. Contracts Does not change Expands None of these Contracts Does not change Expands None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Potential energy - (pressure energy + kinetic energy Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) Pressure energy - (kinetic energy + potential energy) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point similar to metacentre at which all hydraulic forces meet on the surface at which resultant pres-sure acts on the surface at which gravitational force acis similar to metacentre at which all hydraulic forces meet on the surface at which resultant pres-sure acts on the surface at which gravitational force acis ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Reduce acceleration to minimum Save pump from cavitations Smoothen flow Increase pump efficiency Reduce acceleration to minimum Save pump from cavitations Smoothen flow Increase pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate To transport water downstream without eddies For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate To transport water downstream without eddies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch. 0.025 0.02 0.01 0.015 0.025 0.02 0.01 0.015 ANSWER DOWNLOAD EXAMIANS APP
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