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 Bernoulli’s equation Pascal’s law Archimedes’s principle Continuity equation Bernoulli’s equation Pascal’s law Archimedes’s principle Continuity equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Half the breadth Twice the breadth Half the depth Twice the depth Half the breadth Twice the breadth Half the depth Twice the depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is None of these Between 2000 and 2800 More than 2800 Less than 2000 None of these Between 2000 and 2800 More than 2800 Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The number of buckets on the periphery of a Pelton wheel is given by (D/2d) + 15 (D/2d) + 5 (D/2d) + 10 (D/2d) + 20 (D/2d) + 15 (D/2d) + 5 (D/2d) + 10 (D/2d) + 20 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 × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Metacentric height for small values of angle of heel is the distance between the centre of buoyancy and metacentre centre of gravity and metacentre centre of gravity and centre of buoy-ancy free surface and centre of buoyancy centre of buoyancy and metacentre centre of gravity and metacentre centre of gravity and centre of buoy-ancy free surface and centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP