Hydraulics and Fluid Mechanics in ME Surface tension Is also known as capillarity Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface Decreases with fall in temperature Is also known as capillarity Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface Decreases with fall in temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure at any point, in a liquid, is Inversely proportional to the depth of liquid from the surface Directly proportional to the area of the vessel containing liquid Directly proportional to the depth of liquid from the surface Directly proportional to the length of the vessel containing liquid Inversely proportional to the depth of liquid from the surface Directly proportional to the area of the vessel containing liquid Directly proportional to the depth of liquid from the surface Directly proportional to the length of the vessel containing liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric 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 Bernoulli’s theorem Equilibrium of a floating body Archimedes’ principle Buoyancy Bernoulli’s theorem Equilibrium of a floating body Archimedes’ principle Buoyancy ANSWER DOWNLOAD EXAMIANS APP
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