Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 None of these Fanning equation Colebrook formula Von-Karman equation None of these Fanning equation Colebrook formula Von-Karman equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Transition Prandtl mixing Equivalent None of these Transition Prandtl mixing Equivalent None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the Loss of kinetic head None of these Back flow through impeller Loss of static head Loss of kinetic head None of these Back flow through impeller Loss of static head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer Is a variable head meter Is an area meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is a variable head meter Is an area meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Produces only radial current Is effective over wide range of viscosities Produces only tangential current Does not produce tangential current Produces only radial current Is effective over wide range of viscosities Produces only tangential current Does not produce tangential current ANSWER DOWNLOAD EXAMIANS APP