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QUESTIONS Q1. Which one of the wingnuts, labeled A and B, in figure 9-27 permits a leveled plane table to be rotated in azimuth? Q2. Assume you are using three-point resection to plot the location of point P and the triangle of error is inside the main triangle formed by the three known points. Where in relation to the triangle of error is point P located? Q3. What point-location method can you use to run a traverse using a plane table?
Figure 9-27.-Cross section of a plane-table tripod head. Q4. Compute the missing column entries for point 5 in figure 9-8. Q5. Why is transverse Mercator projection the preferred projection method for use with the military grid reference system ? Q6. Refer to figure 9-14. What is the complete desig-nation for the first full square east of meridian 168W and south of the equator? Q7. Measured along any meridian, what is the ap-proximate distance in statute miles between 1630N latitude and 030f$ latitude ? A1. Wingnut B. (Source: Engineering Aid 3, NAVEDTRA 10696.) A2. Inside the triangle of error. A3. Progression or plane-table traverse. A4. Correct H-Dist = 365; Product = + 7.3; DE = +0.6; Elev = 117.3. A5. For any given area distortion is nearly the same in all directions. A6. 3MTV. A7. 1,174 miles. |
 
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