Water from a pipe is coming at a rate of 100 liters per minute. If the radius of the pipe is 5cm, the Reynolds number for the flow is of the order of (density of water = 1000kg/m3, coefficient of viscosity of water = 1 mPa s)
(a)
102
(b)
104
(c)
103
(d)
106
Water from a pipe is coming at a rate of 100 liters per minute. If the radius of the pipe is 5cm, the Reynolds number for the flow is of the order of (density of water = 1000kg/m3, coefficient of viscosity of water = 1 mPa s)
(a)
102
(b)
104
(c)
103
(d)
106
Question ID - 50889 | SaraNextGen Top Answer
Water from a pipe is coming at a rate of 100 liters per minute. If the radius of the pipe is 5cm, the Reynolds number for the flow is of the order of (density of water = 1000kg/m3, coefficient of viscosity of water = 1 mPa s)
(a)
102
(b)
104
(c)
103
(d)
106
|
Water from a pipe is coming at a rate of 100 liters per minute. If the radius of the pipe is 5cm, the Reynolds number for the flow is of the order of (density of water = 1000kg/m3, coefficient of viscosity of water = 1 mPa s) |
|||
|
(a) |
102 |
(b) |
104 |
|
(c) |
103 |
(d) |
106 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
Flow rate of water (Q) =100 lit/min
=
= 
∴ Velocity of flow (v) =
= 
= 
m/s
= 0.2m/s
∴ Reynolds number (
)= 
= 
= 2
Order of 
=
127 votes
Answer Link
127