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 Continuity equation Bernoulli’s equation Pascal’s law Archimedes’s principle Continuity equation Bernoulli’s equation Pascal’s law Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the Discharge is difficult to measure None of these Mach number is between 1 and 6 Velocity of flow is very high Discharge is difficult to measure None of these Mach number is between 1 and 6 Velocity of flow is very high ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to Cos θ Sinθ 1/Sinθ 1/Cosθ Cos θ Sinθ 1/Sinθ 1/Cosθ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 68.8% 39.2% 84.8% 49.2% 68.8% 39.2% 84.8% 49.2% ANSWER DOWNLOAD EXAMIANS APP
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