Civil Engineering - Water Supply Engineering - Discussion
Discussion Forum : Water Supply Engineering - Section 4 (Q.No. 45)
45.
The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is
Discussion:
9 comments Page 1 of 1.
Irshad Khan said:
6 years ago
Thank you @Baboolalmahawar.
(3)
Baboolalmahawar said:
8 years ago
7.2 mld = 7.2 x 1000/1 x 24 x 60 x 60 = 0.08334 m^3/sec.
Q = AV, 0.08334 = 3.14d^2/4 x 1.2.
So, 0.08334 x 4/ 1.2 x 3.14 = d = 0.2966 m say 30 cm.
Q = AV, 0.08334 = 3.14d^2/4 x 1.2.
So, 0.08334 x 4/ 1.2 x 3.14 = d = 0.2966 m say 30 cm.
(4)
ER. BABOOLALMAHAWAR said:
8 years ago
Q = 7. 2MLD = 7. 2 * 1000/(24*60*60) = 0. 08334 m3-sec.
Then Q=AV; 0. 08334 =3. 14d2/4 *1. 2
d= 0. 2974m, d=29.74 = 30cm.
Then Q=AV; 0. 08334 =3. 14d2/4 *1. 2
d= 0. 2974m, d=29.74 = 30cm.
(3)
Happy bansal said:
9 years ago
Now find 7.2 mld = 7.2 x 1000/1 x 24 x 60 x 60 = 0.08334 m^3/sec.
Q = AV, 0.08334 = 3.14d^2/4 x 1.2.
So, 0.08334 x 4/ 1.2 x 3.14 = d = 0.2966 m say 30 cm.
Q = AV, 0.08334 = 3.14d^2/4 x 1.2.
So, 0.08334 x 4/ 1.2 x 3.14 = d = 0.2966 m say 30 cm.
(1)
Happy bansal said:
9 years ago
But how is 7.2 mld equal 0.08334 m^3/sec?
(1)
Paddy's said:
9 years ago
@Ashish.
Q = AV and 7.2 mld =0. 08334 m^3/sec.
Now put the value and get the answer.
Q = AV and 7.2 mld =0. 08334 m^3/sec.
Now put the value and get the answer.
Ashish Thakur said:
9 years ago
Hi @Simar, How is the answer 29.73?
Simar said:
9 years ago
Answer is 29.73 @Pawan.
Pawan said:
9 years ago
According to me, the answer is 32.57cm.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers