Calendar: 1887-1888 Page 688

692 APPLIED SCIENCES SECOND YEAR It is required to make 'Traverse Survey' of Lake State in detail Jboth how the Survey is carried out in the Field and also how it is plotted and proved by the interior angles Describe the chief sources of error in levelling and the means of avoiding or of rectifying them From the end of piece of 4straight' curve of 15 chains has to be set out for length of chains The curve is reversed for distance of chains with radius of 13 chains Explain how this curve is set out in the field An observer finds that star transits at his station minutes 30 seconds later than at Greenwich What is his position with reference to Greenwich Calculate the gradients between points on line of Railway from the following reduced levels of the rails ra chs At 25 κ 174-25 At 30 יי 178 Ό0 At 00 יי 188-50 line of Railway for which plans have been deposited in Parliament has to be opposed on Standing Orders State how you would proceed Explain how contour survey is carried out in the Field and also how it is plotted From the extremities of Base line 20 chains long the angles between it and distant Church are respectively 62 and 52 Calculate by Tables the distance of the Church from each extremity What are the Planimeter 6Sextant 6Plane Table' 10 Plot the Survey made in the Field and the sections of the chain lines previously prepared