Calendar: 1889-1890 Page 774

128 ENGINEERING DEPARTMENT FIRST YEAR The area of square field is 30 acres What is the length of side in chains base line being obstructed by small wood describe two methods whereby the direction and chainage of the line can be accurately continued Make sketch and explain the Theodolite its motions and adjustments What is the mean angle of the following repeated 11 angles First reading 220 Second reading 80 9' Third reading 300 15 road has rising gradient of in 42 What will be the rise in feet at mile fur 340 chs and at miles fur 130 chs Describe in detail how to determine the 11 Bearing י of line by both the Circumferentor and the Theodolite An irregular boundary line has to be accurately equalized by straight line How is this done geometrically Explain by sketch the several columns of Levelling Field Book filled up and checked and describe how section is plotted therefrom How can Vernier be constructed to enable scale of degrees to be read to minutes Ϊ 10 State the sources of error in chaining and in levelling 11 Plot of survey previously prepared IX -Jautltring Construction anK Hrdjttccturc Preliminary Work Sketch to inch scale design for stone arch bridge to carry 20 feet roadway over 25 feet roadway with 10 feet cutting and 15 feet headway Show half plan below and half above half longitudinal section and half elevation half cross section at crown and half end elevation