Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Centre of buoyancy None of these Centre of gravity Water surface Centre of buoyancy None of these Centre of gravity Water surface ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. I, II, V II, IV, V II, III, V I, II, III I, II, V II, IV, V II, III, V I, II, III ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The dimension of kinematic viscosity is ML⁻²T⁻¹ ML⁻²T⁻² None of these L²T⁻¹ ML⁻²T⁻¹ ML⁻²T⁻² None of these L²T⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Does not produce tangential current Produces only tangential current Produces only radial current Is effective over wide range of viscosities Does not produce tangential current Produces only tangential current Produces only radial current Is effective over wide range of viscosities ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volume of liquid displaced by a floating body is equivalent to its Own volume Submerged weight Own weight Submerged volume Own volume Submerged weight Own weight Submerged volume ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 0.24 24000 24 0.44 0.24 24000 24 0.44 ANSWER DOWNLOAD EXAMIANS APP