Hydraulics and Fluid Mechanics in ME A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is 40 × 10⁵ kg/cm² 4000 kg/cm² 40 × 10⁶ kg/cm² 400 kg/cm² 40 × 10⁵ kg/cm² 4000 kg/cm² 40 × 10⁶ kg/cm² 400 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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 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 0.75 B.H.P H.P./0.75 Same 1.5 B.H.P 0.75 B.H.P H.P./0.75 Same 1.5 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Piezometer is used to measure Difference of pressure between two points Very low pressures Pressure in pipe, channels etc Atmospheric pressure Difference of pressure between two points Very low pressures Pressure in pipe, channels etc Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point 4 m below the free surface of water is 49.24 kPa 19.24 kPa 29.24 kPa 39.24 kPa 49.24 kPa 19.24 kPa 29.24 kPa 39.24 kPa ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.577 R 0.707 R 0.223 R 0.423 R 0.577 R 0.707 R 0.223 R 0.423 R ANSWER DOWNLOAD EXAMIANS APP
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