Water is conveyed thourth a horizontal tube 8 cm in diameter and 4 kilometer in
Channel: Doubtnut
Date: 2020-08-30

Water is conveyed thourth a horizontal tube 8 cm in diameter and 4 kilometer in length at the rate of 20 litre/s Assumming only viscous resistance , callcalute the pressure required to maintain the  flow . Coefficient of viscosity of water is 0.001 pa s