Hydraulics and Fluid Mechanics in ME Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is slightly less slightly more nearly half equal slightly less slightly more nearly half equal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement. The body B is more stable than body A The bodies A and B have equal stability The body A is more stable than body B The bodies A and B are unstable The body B is more stable than body A The bodies A and B have equal stability The body A is more stable than body B The bodies A and B are unstable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity has the dimensions of 1/pressure is independent of pressure and viscosity increases with pressure is large when fluid is more compressible has the dimensions of 1/pressure is independent of pressure and viscosity increases with pressure is large when fluid is more compressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) σ cosα/4wd 4σ cosα/wd wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd wd/4σ cosα 4wd/σ cosα 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 (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Is also known as capillarity Is a function of the curvature of the interface Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is also known as capillarity Is a function of the curvature of the interface Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface ANSWER DOWNLOAD EXAMIANS APP