A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is
Options
A. 2.900 m
B. 3.030 m
C. 0.770 m
D. 0.785 m
E. 1.770 m.
Correct Answer
0.770 m
More questions
1. Kinetic friction may be defined as
Options
A. friction force acting when the body is just about to move
B. friction force acting when the body is in motion
C. angle between normal reaction and resultant of normal reaction and limiting friction
D. ratio of limiting friction and normal reaction.