Hydraulics and Fluid Mechanics in ME The unit of viscosity is Newton-sec per meter² Newton-sec per meter kg-sec/meter Meters² per sec Newton-sec per meter² Newton-sec per meter kg-sec/meter Meters² per sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/3 to 1/2 1/16 to 1/8 1/8 to 1/4 1/4 to 1/3 1/3 to 1/2 1/16 to 1/8 1/8 to 1/4 1/4 to 1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They have slow speeds They give constant efficiency, even if the discharge is not constant All of these They are suitable even for low water heads They have slow speeds They give constant efficiency, even if the discharge is not constant All of these They are suitable even for low water heads ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of buoyancy is the does not exist e.g. of floating body center of pressure of displaced volume centroid of the displaced volume of fluid does not exist e.g. of floating body center of pressure of displaced volume centroid of the displaced volume of fluid 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 Buoyancy Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem Buoyancy Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
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