Calendar: 1888-1889 Page 765

ENGINEERING DEPARTMENT 757 State in detail the sources of error in levelling and how they are avoided or eliminated How is surveying carried out in mining operations stream of considerable depth has to be gauged and its discharging capacity determined Describe in detail what has to be done How are soundings taken at sea and the observations recorded and plotted State the way in which either the Sextant or the Theodolite are employed for determining stations afloat and for surveying coastline Show by sketch how contract section for railway is plotted How can side-widths be set out on sidelong ground Describe the Plane Table r' and its use 10 The of the centre of an existing Public Road over proposed railway is 42 The of the rails is calculated to be 31 What alteration will have to be made to the road which was previously level 11 What are the Omnimeter 'J and "Tacheometer 12 In selecting route for and in laying out main road state the chief points to be observed SECOND YEAR Sketch the lines required to make chain survey of the land shown on the diagram Explain the Planimeter י and the Computing Scale and their uses Describe how curves are set out by the chain What are the chief sources of error in levelling and state the allowances to be made for Curvature" and Refraction base-line is calculated to be miles long at an elevation of 10 000 feet What is the length of the line at the sea-level