Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q (H + hf) w × Q (H - hf) w × Q × hf w × Q × H w × Q (H + hf) w × Q (H - hf) w × Q × hf w × Q × H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To transport water downstream without eddies To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as density As square of density Directly as the air or gas density Inversely as square root of density Inversely as density As square of density Directly as the air or gas density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the elastic force is called Weber's number Mach number Froude's number Reynold's number Weber's number Mach number Froude's number Reynold's number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Capillary action is due to the Adhesion of the liquid molecules and the molecules on the surface of a solid All of the listed here Cohesion of the liquid Surface tension Adhesion of the liquid molecules and the molecules on the surface of a solid All of the listed here Cohesion of the liquid Surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Principle of flotation Archimedes’s principle Bernoulli’s theorem Pascal’s law Principle of flotation Archimedes’s principle Bernoulli’s theorem Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
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