Dumpy level is most suitable when
A. the instrument is to be shifted frequently
B. fly levelling is being done over long distance
C. many readings are to be taken from a single setting of the instrument
D. all of the above
Answer:C
Dumpy level is most suitable when
A. the instrument is to be shifted frequently B. fly levelling is being done over long distance C. many readings are to be taken from a single setting of the instrument D. all of the above