AP EAMCET202423 May 2024Morning ShiftPhysicsMechanical Properties of FluidsActual
Water flows from a tap of diameter 1.5 cm with 7.5 10⁻⁵ ~m ^3 ~s ⁻¹ Coefficient of Viscosity of water is 10⁻³ Pas. The flow is
Options
- ATurbulent with Reynolds number less than 6000
- BSteady flow with Reynolds number less than 2000
- CTurbulent with Reynolds number greater than 6000
- DSteady flow with Reynolds number more than 6000
Correct answer
C. Turbulent with Reynolds number greater than 6000
Step-by-step solution
D =1.5 ~cm , Q =7.5 10⁻⁵ ~m ^3 / s , =10⁻³ Pas Q=A v 4 D^2 v v= 4 Q D^2 Reynold's number, aligned & R_e= ^ v D = ( 4 Q D^2 ) D = 4 ^Q D & = 4 10^3 7.5 10⁻⁵ 10⁻³ 3.14 1.5 10⁻² & =6369.4 4000 aligned Flow is turbulent.