Civil Engineering - Irrigation - Discussion
Discussion Forum : Irrigation - Section 2 (Q.No. 25)
25.
The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called
Discussion:
7 comments Page 1 of 1.
Vikas said:
3 years ago
The Correct answer is syphon.
Bread said:
4 years ago
@Dheeraj.
Jam is saying under pressure is syphon aqueduct so here the answer should be syphon aqueduct only. If it moves freely then it will be aqueduct.
Jam is saying under pressure is syphon aqueduct so here the answer should be syphon aqueduct only. If it moves freely then it will be aqueduct.
Dheeraj said:
6 years ago
Yes @jam, you are correct. Answer is aqueduct.
Because if there is well define vertical clearance between the F. S. L of drain and bed slope of canal so it is called Aqueduct.
Because if there is well define vertical clearance between the F. S. L of drain and bed slope of canal so it is called Aqueduct.
Jam said:
7 years ago
As far as I know, Its moves under pressure. If its moves freely then its aqueduct.
Ajit ranjan said:
8 years ago
Syphan aqueduct?
Jeevan said:
8 years ago
I agree with the given answer.
Chintu said:
9 years ago
What is Super Passage?
When the canal is in full cutting and there is sufficient head way for the canal water a Super Passage may be proposed. That is if the Full supply level (F.S.L) of canal is below a depth of free board required for canal from bed level of drain crossing, at this point a super passage may be constructed to let the discharge of drain without causing any damage to the canal.
What is Aqueduct?
Aqueduct is a structure that may be proposed on canal that is running in full embankment and there is sufficient way to pass the discharge of drain. That is if the Maximum Flood Level (M.F.L) of drain is below a depth of free board required in drain from Bed Level Canal, at this point an aqueduct may be proposed to let the discharge of drain below canal without causing any damage to the canal.
What is Canal Syphon?
When the canal runs partially in cutting, the canal syphon may be adopted. A barrel will be provided below the bed level of drain to pass the discharge of canal by depressing canal Full supply level (F.S.L) before the drain crossing and again lift it back after crossing the drain. Sufficient head may be provided to force the water from up stream of canal to down stream of canal. This is often provided for drain crossing that have huge discharge and an Under Tunnel may not be economic.
When the canal is in full cutting and there is sufficient head way for the canal water a Super Passage may be proposed. That is if the Full supply level (F.S.L) of canal is below a depth of free board required for canal from bed level of drain crossing, at this point a super passage may be constructed to let the discharge of drain without causing any damage to the canal.
What is Aqueduct?
Aqueduct is a structure that may be proposed on canal that is running in full embankment and there is sufficient way to pass the discharge of drain. That is if the Maximum Flood Level (M.F.L) of drain is below a depth of free board required in drain from Bed Level Canal, at this point an aqueduct may be proposed to let the discharge of drain below canal without causing any damage to the canal.
What is Canal Syphon?
When the canal runs partially in cutting, the canal syphon may be adopted. A barrel will be provided below the bed level of drain to pass the discharge of canal by depressing canal Full supply level (F.S.L) before the drain crossing and again lift it back after crossing the drain. Sufficient head may be provided to force the water from up stream of canal to down stream of canal. This is often provided for drain crossing that have huge discharge and an Under Tunnel may not be economic.
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