Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.5 0.5 0.4 0.515 0.5 0.5 0.4 0.515 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. Equal to Two-third Three-fourth One-third Equal to Two-third Three-fourth One-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic viscosity is equal to dynamicviscosity x density dynamic viscosity/density density/dynamic viscosity 1/dynamicviscosity x density dynamicviscosity x density dynamic viscosity/density density/dynamic viscosity 1/dynamicviscosity x density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of buoyancy is the center of pressure of displaced volume centroid of the displaced volume of fluid e.g. of floating body does not exist center of pressure of displaced volume centroid of the displaced volume of fluid e.g. of floating body does not exist ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The working of which of the following hydraulic units is based on Pascal's law? Hydraulic press Jet pump Air lift pump Hydraulic coupling Hydraulic press Jet pump Air lift pump Hydraulic coupling ANSWER DOWNLOAD EXAMIANS APP
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