Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is lOkN 15 kN 20 kN 5kN lOkN 15 kN 20 kN 5kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centroid of the volume of fluid displaced coincides with the centre of gravity remains above the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced coincides with the centre of gravity remains above the centre of gravity remains below the centre of gravity 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 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The top of the weir over which the water flows is known as None of these Orifice Sill or crest Nappe or vein None of these Orifice Sill or crest Nappe or vein ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic viscosity is equal to dynamic viscosity/density dynamicviscosity x density 1/dynamicviscosity x density density/dynamic viscosity dynamic viscosity/density dynamicviscosity x density 1/dynamicviscosity x density density/dynamic viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Reciprocating Axial flow Centrifugal Mixed flow Reciprocating Axial flow Centrifugal Mixed flow ANSWER DOWNLOAD EXAMIANS APP
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