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 Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law Principle of flotation Bernoulli’s theorem Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc/Cr Cc × Cr Cv × Cr Cc × Cv Cc/Cr Cc × Cr Cv × Cr Cc × Cv ANSWER DOWNLOAD EXAMIANS APP
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 40 × 10⁶ kg/cm² 400 kg/cm² 4000 kg/cm² 40 × 10⁵ kg/cm² 40 × 10⁶ kg/cm² 400 kg/cm² 4000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the __________ is called Euler's number. Viscous force Surface tension force Pressure force Elastic force Viscous force Surface tension force Pressure force Elastic force 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. 1.8 times 1.2 times Equal to Double 1.8 times 1.2 times Equal to Double ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of gravity of the volume of the liquid displaced is called Centre of pressure Metacentre Centre of buoyancy None of the listed here Centre of pressure Metacentre Centre of buoyancy None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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