Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Decreases Remain unaffected Unpredictable Increases Decreases Remain unaffected Unpredictable Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure increases first upto certain limit and then decreases decreases remains constant increases increases first upto certain limit and then decreases decreases remains constant increases 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 Bernoulli’s theorem Pascal’s law Archimedes’s principle Principle of flotation Bernoulli’s theorem Pascal’s law Archimedes’s principle Principle of flotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg × hf H = Hg/hf H = Hg - hf H = Hg + hf H = Hg × hf H = Hg/hf H = Hg - hf H = Hg + hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 6 1 and 2.5 4 and 6 2.5 and 4 1 and 6 1 and 2.5 4 and 6 2.5 and 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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