A S S I G N M E N T
9
Textbook Assignment:
“Direct Linear Measurements and Field Survey Safety.”
Pages 12-1
through 12-32.
9-1.
The instrumentman is moving his
9-2.
9-3.
9-4.
right arm, which is extended
upward, to the right. What message
is he signaling to the rodman?
1.
The rodman must move the rod to
the right
2.
The rodman must move the top of
the rod to the right until it
is vertical
3.
The rodman must move the rod to
the left
4.
The rodman must move the top of
the rod to the left until it is
vertical
An instrumentman extends both arms
upward, what does this indicate to
the rodman?
1.
Move forward
2.
Reverse the rod
3.
Pick up the instrument
4.
Face the rod
What actions should the rodman take
in response to a boost-the-rod
signal?
1.
2.
3.
4.
The
out
and
Raise the rod and hold it at a
specified distance above the
ground
Turn the rod upside down
Raise the rod slowly until the
instrumentman has read the
whole-foot mark
Move the top of the rod, in a
short arc, towards the
instrument
instrumentman extends both arms
horizontally from his shoulders
waves them up and down.
What
message is he giving to the rodman?
1.
Come in
2.
Pick up the instrument
3.
All right
4.
Move forward
9-5.
9-6.
9-7.
9-8.
In clearing a chaining line, what
should you do when a valuable tree
lies directly in your path?
1.
Triangulate around it
2.
Find the owner and request the
tree to cut down
3.
Cut it down
4.
Choose a different chaining
line
What term is used to describe
consecutive sights taken through a
telescope for the purpose of
keeping chainmen on line?
1.
Running line
2.
Bench mark
3.
Foresight
4.
Backsight
When an instrumentman takes a sight
along a portion of a line that has
already been run, he is taking a
1.
horizontal control step
2.
vertical control step
3.
foresight
4.
backsight
For what reason should a chainman
use an indicator that is narrower
than a range pole when holding on
or plumbing over a point for short
sights?
1.
2.
3.
4.
To enable the instrumentman to
align the indicator exactly
with the vertical cross hair of
his instrument
To enable the instrument to
sight beyond the point
To enable the chainman to carry
out his duties without becoming
fatigued
To enable the chainman to hold
the indicator steady
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