subject : fundamentals of surveying
Extracted text: 16. Given the following data of a stream of uniform flow: A = 6.90 sqm (ave stream cross sectional; area) P = 9.56 m (wetted perimeter) S =0.007 n = 0.025 ( slope of stream bed) (roughness coefficient ) Determine the hydraulic radius. a) 0.677 m b) 0.890m c) 0.722 17. In item number 16, determine the variable coefficient C using Manning's formula. a) 41.34 b) 37.886 c) 39.456 18. In item number 16, calculate the average velocity of stream. a) 3.312m/sec b) 2.692 m/sec c) 2.874 m/sec 19. In item number 16, find the discharge of the stream. a) 19.231 cum/sec b) 16.562 cum/sec c) 18.574 cum/sec