One of the following surveying instruments is used to set...
One of the following surveying instruments is used to set out lines at right angles to the main chain line?
Optical square
Station pegs
Offset staff
Steel Band
Correct answer is A
Using either the mirror method or the prism square method, the optical square is used to mark out lines at right angles to the main chain line.
The mineral contents of the upper part of the earth's crust are collectively called the sial bec...
Lines joining places of equal sunshine duration on maps are__________ ...
A stalagmite differs from a stalactite in that a stalagmite ...
Which of the following operations is common to both chain and prismatic compass surveys? ...
Use the climate data of the station to answer the question below. Month Jan Feb Ma...
Temperate statistic can best be represented with ...
A soft, black opaque carbonaceous rock that can be used to make pencils is ...
Which ONE of the following ports occupies the best natural site in West Africa? ...
The size of the individual grains of soil is referred to as the ...
The vegetation type characterized by short grasses and stunted tress is the ...