Hydraulics and Fluid Mechanics in ME In open channels, the specific energy is the Total energy measured with respect to the datum passing through the bottom of the channel Total energy measured above the horizontal datum Total energy per unit discharge Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy measured above the horizontal datum Total energy per unit discharge Kinetic energy plotted above the free surface of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The upper surface of a weir over which water flows is known is crest weir top nappe sill crest weir top nappe sill ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem Buoyancy Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is 2.89 kN 28.9 kN 8.29 kN 9.28 kN 2.89 kN 28.9 kN 8.29 kN 9.28 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)]/2g [wa (V - v)²]/2g [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)]/2g [wa (V - v)²]/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the __________ is called Euler's number. Surface tension force Viscous force Elastic force Pressure force Surface tension force Viscous force Elastic force Pressure force ANSWER DOWNLOAD EXAMIANS APP