Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is At the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity Above the centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity Above the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas increases with increase in temperature decreases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities increases with increase in temperature decreases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/4 to 1/3 1/3 to 1/2 1/16 to 1/8 1/8 to 1/4 1/4 to 1/3 1/3 to 1/2 1/16 to 1/8 1/8 to 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The volumetric change of the fluid caused by a resistance is known as Volumetric strain Volumetric index Compressibility Adhesion Volumetric strain Volumetric index Compressibility Adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₁²/2g 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g v₁²/2g 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is less than 5 times the height of orifice The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The size of orifice is large The available head of liquid is less than 5 times the height of orifice The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The size of orifice is large ANSWER DOWNLOAD EXAMIANS APP
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