374,199.48 + 676.15, or 674,875.63 feet. The x
coordinate of station A is equal to the x coordinate of
s t a t i o n D plus the departure of D A , o r
563,383.60 + 181.17, or 563,564.77 feet. The
coordinates of the other stations can be similarly
determined.
Q1.
Q2.
Q3.
Q4.
Q5.
Q6.
Q7.
Q8.
QUESTIONS
Into how many time zones has the earth been
divided?
What is the Greenwich mean time at longitude
35°27´20´´E if the local zone time is 0900?
Define the declination of a celestial body.
In a time diagram, where is the observer
assumed to be located?
The sun is observed in the direction of the
equator from the zenith of the observer's
location. What is the observer's latitude if the
observed declination is N15°10´ and the
corrected meridian altitude is 62°07´?
Refer to figure 15-31 and use table 15-5. What
is the computed bearing of the line AB?
What is the primary advantage of a chain of
polygons over a chain of triangles?
What is the primary difference between a
primary triangulation station and a secondary
triangulation station?
Figure 15-32.-Quadrilateral.
Q9. After the quadrilateral shown in figure 15-32 is
first figure adjusted what is the value of angle
5?
15-41
