Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is None of these Between 1 and 6 Less than unity Unity None of these Between 1 and 6 Less than unity Unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Minimum Zero Maximum Could be any value Minimum Zero Maximum Could be any value ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In open channels, the specific energy is the Total energy per unit discharge Total energy measured above the horizontal datum Total energy measured with respect to the datum passing through the bottom of the channel Kinetic energy plotted above the free surface of water Total energy per unit discharge Total energy measured above the horizontal datum Total energy measured with respect to the datum passing through the bottom of the channel Kinetic energy plotted above the free surface of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Cohesion Adhesion Surface tension Viscosity Cohesion Adhesion Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
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