Correct Answer:
Option D - Non-recording gauge– The non recording gauge extensively used in India is the Symon's raingauge.
It is installed in an open on a concrete foundation. The distance of the raingauge from the nearest object should be at least twice the height of the object.
D. Non-recording gauge– The non recording gauge extensively used in India is the Symon's raingauge.
It is installed in an open on a concrete foundation. The distance of the raingauge from the nearest object should be at least twice the height of the object.