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 Bernoulli’s theorem Equilibrium of a floating body Archimedes’ principle Buoyancy Bernoulli’s theorem Equilibrium of a floating body Archimedes’ principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Remain unaffected Increase Decrease May increase or decrease depending on the characteristics of liquid Remain unaffected Increase Decrease May increase or decrease depending on the characteristics of liquid 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 × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to Both (A) and (B) Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses Both (A) and (B) Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Lift and tangential force Drag and resultant force Lift and resultant force Lift and drag Lift and tangential force Drag and resultant force Lift and resultant force Lift and drag ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is Directly proportional to (radius)4 Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)2 Directly proportional to (radius)4 Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)2 ANSWER DOWNLOAD EXAMIANS APP
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