Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Decreases Does not change None of these Increases Decreases Does not change None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a body floating in a liquid the normal pressure exerted by the liquid acts at metacentre bottom surface of the body e.g. of the body all points on the surface of the body metacentre bottom surface of the body e.g. of the body all points on the surface of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point on the surface at which resultant pres-sure acts similar to metacentre on the surface at which gravitational force acis at which all hydraulic forces meet on the surface at which resultant pres-sure acts similar to metacentre on the surface at which gravitational force acis at which all hydraulic forces meet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity 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 0.5 v₁²/2g 0.375 v₂²/2g v₂²/2g v₁²/2g 0.5 v₁²/2g 0.375 v₂²/2g v₂²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.95 times 0.81 times 0.34 times 0.67 times 0.95 times 0.81 times 0.34 times 0.67 times ANSWER DOWNLOAD EXAMIANS APP
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