Calendar: 1885-1886 Page 706

698 APPLIED SCIENCES 10 base line measures 800 yards at an elevation of 000 feet above the sea level What is its length at the sea level 11 State how the positions of inaccessible stations can be determined trigonometrically from measured base 12 Sketch page of levelling field-book properly checked FIRST YEAR square field contains 68 acres What is the length of side in yards In chaining over hilly ground what precautions have to be taken to ensure accurate measurements Make three sketches to show how chain line can be continued past obstructions Explain how plans of surveys are copied enlarged and reduced and what instruments are employed for those purposes Sketch the telescope of Theodolite or Level describing the positions and names of the parts which form the telescope How is Level adjusted for 001110 10 and "Parallax and how are broken webs repaired What is the Vernier State the way to find its value The three sides of triangle being and chains long respectively what is its area in acres How is the true North determined as compared with the magnetic North 10 Sketch page of levelling field book with entries in every column and with the page properly checked 11 The magnetic bearing of point has to be determined by Theodolite Explain in detail the operation 12 Describe the "Cross the "Optical Square the Prismatic Compass and the Box-Sextant 13 road has fall of 99 feet in 15 chains What is the gradient of the road