Hydraulics and Fluid Mechanics in ME The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement. The body A is more stable than body B The bodies A and B have equal stability The bodies A and B are unstable The body B is more stable than body A The body A is more stable than body B The bodies A and B have equal stability The bodies A and B are unstable The body B is more stable than body A ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) √2gH 0.5 a. √2gH 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH 0.707 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids increases remains same shows erratic behaviour decreases increases remains same shows erratic behaviour decreases 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 × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Mixed flow Reciprocating Centrifugal Axial flow Mixed flow Reciprocating Centrifugal Axial flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Directly proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Inversely proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP