Calendar: 1877-1878 Page 611

ENGINEERING AND APPLIED SCIENCES 609 FIRST YEAR Divide line AB 25 long into seven equai parts On line CO 225 in length construct square Draw second square of half the area On line 125 long construct regular heptagon Show in plan and elevation line inclined at 40 contained by vertical plane making an angle of 40 with the vertical plane of projection The horizontal trace of line is point 1" in front of the vertical plane the vertical trace is point 1" above the hori- zontal plane and the traces on the paper are 3" apart What is the true length and inclination of the line Show by its traces plane inclined at 50 to the vertical plane and perpendicular and the plan and elevation of circle of 2" in diameter contained by the plane Plan and elevation of pyramid 4" axis when one diago- nal 3" long of its octagonal base is inclined at 65 An equilateral triangle of 3" edge has its plane inclined at 55 and one edge at 30 show plan and elevation 10 Line MN drawn anywhere at pleasure 2" in length is the elevation of one diagonal of one face of cube of 2" edge complete the cube in plan and elevation IX -Ecbtlltng anH uvbfinng THIRD YEAR Describe the and Dumpy levels level being out of adjustment what practical means would you take to insure accuracy in the field What is meant by intermediate readings and when are they necessary Can the theodolite be used for levelling If it can describe the method of using it over what kind of country and the Decessary corrections Given the following heights fa cutting above the formation