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21 A highway curve has a degree of curvature of 4° and I = 20° 00'00". The arc length of the curve is: A 100.00' B 250.00' C. 200.00' D. 500.00' E. None of the above 22. A spiral of 300.00 ft length enters a circular highway curve which has a 5° 00'00" degree of curvature. Qwill be: A. 9° 00'00" B. 6°00'00" C. 7° 30'00" D. 2°00'00" E. None of the above 23. A 300.00 ft long spiral has a Q, of 5° The TS station is 10+00. To stake station 12+00, the X and Y offset values would be A. X = 200.00, Y = 3.10' B. X = 199.93 Y = 3.88' C. X = 199.96, Y = 9.31' D. X = 199.96, Y = 3.10' E. None of the above 24. A curve of arc length 600.00 ft. and radius 1,000.00 ft must be laid out. To set the alignment with the instrument set at the Pl, one would zero the instrument in the direction of the PC, plunge the telescope, and turn an angle of: A. 90°00'00" B. 68° 45' 19" C. 17°11' 19" D. 34°22' 39" E. None of the above A BUDE