Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Pascal’s law Bernoulli’s theorem Principle of flotation Archimedes’s principle Pascal’s law Bernoulli’s theorem Principle of flotation Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 4 and 6 2.5 and 4 1 and 2.5 1 and 6 4 and 6 2.5 and 4 1 and 2.5 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as steady flow turbulent flow one dimensional flow uniform f^w steady flow turbulent flow one dimensional flow uniform f^w ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to 2700 2100 21000 10000 2700 2100 21000 10000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than 2 greater than 4 unity greater than unity greater than 2 greater than 4 unity greater than unity ANSWER DOWNLOAD EXAMIANS APP
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