Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary As square of density Inversely as square root of density Directly as the air or gas density Inversely as density As square of density Inversely as square root of density Directly as the air or gas density Inversely as density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when pressure becomes more than critical pressure pressure is increased flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure becomes more than critical pressure pressure is increased flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
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 Pascal’s law Bernoulli’s equation Archimedes’s principle Continuity equation Pascal’s law Bernoulli’s equation Archimedes’s principle Continuity equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet. Double 1.2 times Equal to 1.8 times Double 1.2 times Equal to 1.8 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure Varies as the square of the radial distance Increases linearly as its radial distance Increases as the square of the radial distance Decreases as the square of the radial distance Varies as the square of the radial distance Increases linearly as its radial distance Increases as the square of the radial distance Decreases as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be H.P./0.75 Same 0.75 B.H.P 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P 1.5 B.H.P ANSWER DOWNLOAD EXAMIANS APP
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