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 Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is dependent on relative roughness only constant a function of Reynolds number and relative roughness dependent only on Reynolds number dependent on relative roughness only constant a function of Reynolds number and relative roughness dependent only on Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-half of the total supply head Two-third of the total supply head One-fourth of the total supply head One-third of the total supply head One-half of the total supply head Two-third of the total supply head One-fourth of the total supply head One-third of the total supply head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Sub-sonic flow Sonic flow Hyper-sonic flow Super-sonic flow Sub-sonic flow Sonic flow Hyper-sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Directly as the air or gas density Inversely as density Inversely as square root of density As square of density Directly as the air or gas density Inversely as density Inversely as square root of density As square of density ANSWER DOWNLOAD EXAMIANS APP
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