Calendar: 1885-1886 Page 705

applied sciences GOT main road has to be laid out across country Specify the conditions requiring to be observed in regard to route and construction State some points to be observed in setting out tunnel 10 How 11 What eliminated How are they 12 line of soundings having to be taken across harbour describe the operation SECOND YEAR Explain by sketch how the curvature of the earth affects levelling operations point miles distant appears to be 15 feet higher than where the observer is What is the cor- rected height allowing for curvature and refraction Describe the geometrical method of equalizing irregular fences Take out by tables the quantities in bank chains in length having depth of feet at each end Slopes to Formation width 25 feet After observing the transit of star you find that your watch is minutes 66 seconds in advance of Greenwich time What is the longitude of your station curve of chains radius has to be set out with 66 feet chain Explain the operation What is the Planimeter At distance from the base of church the angle be- tween the horizontal and the top of the spire is found to be What is the height in terms of and In surveying for line of railway state five Standing Orders both for plan and section Sketch also how cross sections of road alterations are shown Explain how Traverse Survey" is carried out and closed