Increasing order of cost of lining is as follows: Options: (A) circular, trapezium, rectangular, triangular (B) triangular, trapezium, rectangular, circular (C) triangular, rectangular, trapezium, circular (D) circular, rectangular, trapezium, triangular Identify the Critical path in the following network? 2 A) A-B-C-E-F-G-H B) A-B-C-D-F-G-H C) A-B-C-D-E-F-H D) A-B-C-D-E-F-G-H Following are the observations recorded using a total station between two points A and B: The zenith angle is 82°32'20', the slope distance is 8335.26 ft. The height of the instrument and rod recording 7 are equal. If the elevation of point A is 1431.31 ft. Determine the elevation of point B. A) 2513.88 ft B) 2513.86 ft C) 2513.84 D) 2513.82 A rod of diameter 50 cm and length 6 m is hanging vertically and carries an axial load of 10 kN at bottom end. Calculate the elongation of the bar at a distance 2 m from the bottom end. Take the unit weight of the rod material is 25 kN/m² and modulus of elasticity of the material is 3×10" MPa. a) 29.28 mm b) 32.24 mm c) 11.85 mm d) 20.00 mm