Bed bars are used _______________i. To serve as permanent reference marksii. To correct alignment and theoretical bed levels of the canaliii. Helps in desilting the canal section during its maintenanceWhich of the following function of bed bars is/ are correct?

Bed bars are used _______________i. To serve as permanent reference m

1.	Bed bars are used _______________i. To serve as permanent reference marksii. To correct alignment and theoretical bed levels of the canaliii. Helps in desilting the canal section during its maintenanceWhich of the following function of bed bars is/ are correct?
A.	i and ii
B.	i and iii
C.	ii and iii
D.	i, ii and iii
Answer» E.

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Gibb’s module holds good for the standard design in which _________
Bed bars are used _______________i. To serve as permanent reference marksii. To correct alignment and theoretical bed levels of the canaliii. Helps in desilting the canal section during its maintenanceWhich of the following function of bed bars is/ are correct?
For canals carrying smaller water depths, a ramp is provided for the entry and exit as cattle crossings.
In cattle crossings, the exact distance to be kept between the two ramps on the same side should theoretically be ________
A baffle wall is a sort of weir constructed at the end of the cistern to:i. To prevent any excess amount of discharge likely to pass through the moduleii. The baffle plates are inserted in the eddy chamber sloping from the outer wall towards the inner walliii. Head up the water to its upstream to such a height that hydraulic jump is formedWhich of the following statement is correct?
Gibb’s module is a type of outlet which ensures constant discharge even if the water levels in the supply channel and watercourse fluctuate.
The outlet discharge is maintained constant and it is not at all dependent on the water levels in the parent and the field channels in _________________
Choose the incorrect statement.i. Bed bars are constructed in canals at the toe of the canal lining to prevent slippage of the lining.ii. Cattle crossings also provide safety to cattle that are swept away by currents besides their usual function of helping the cattle to cross the canal.iii. A canal escape helps in supplying irrigation water to the downstream watercourses.
The discharge range of Gibb’s module varies from ____________
Which of the following is not a type of rigid module?

Bed bars are used _______________i. To serve as permanent reference marksii. To correct alignment and theoretical bed levels of the canaliii. Helps in desilting the canal section during its maintenanceWhich of the following function of bed bars is/ are correct?

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