A level crossing type of cross-drainage work consists which of the following?
- Aone regulator only
- Btwo weirs only
- Cone weir and two regulatorsCorrect
- Dtwo weirs and two regulators
Solution
Concept
Level crossing components
Step-by-step solution
1. A weir across the drainage with regulators on the canal.
Explanation
One drainage weir (or two) with two regulators.
Why the other options are wrong
Other combinations are incorrect per the key.
Shortcut
Level crossing: weir + regulators.
Correct answer: C) one weir and two regulators