Match List – I with List – II and select the correct answer using the codes given below the lists:
List – I
A. Reciprocal levelling
B. Trigonometrical levelling
C. Hypsometry
D. Profile levelling
List – II
1. Involves measuring of horizontal distance and vertical angles in field
2. Involves the principle of boiling point of water variation with altitude
3. Involves observing elevations of a number of points along the centre line and their distance along it
4. Involves the principal of two peg test.
1
A-4, B-1, C-2, D-3
2
A-4, B-2, C-3, D-1
3
A-4, B-1, C-3, D-2
4
A-1, B-2, C-3, D-4