7-55.Which of the following devices isuseful for interpolating contourlines rapidly?1.Engineer’s scale2.Tracing cloth3.Graduated rubber band4.Each of the above7-56.Topographic maps used for thedesign of construction drawingsnormally use what contour interval?1.1 or 2 ft2.1, 2, or 5 ft3.10 ft4.20 ft7-57.Topographic maps used forpreliminary site planning showwhich of the following features?1.Only man-made2.Only natural3.Only minor4.Each of the above51
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