Calendar: 1868-1869 Page 510

APPLIED SCIENCES VI -J&urbctung SECOND YEAR Explain the adjustments of the theodolite Explain tlie circumferentor and show where each should be used in preference to the other When abase line runs through pond what would you do and what when through wood or homestead Required the sides and base of an isosceles triangle angle at vertex 40 to contain 300 acres and are churches Β nearer the observer AC 000 yards AB 000 BC 000 yards required the respective distances from observer when the angles are AxB 40 35 and 34 40 Variation 23£ required true hearing magnetic being 48 45 Explain how to ascertain the variation first by day secondly by night FIRST year Describe the theodolite Describe the circumferentor Describe the spirit level and staff Explain how to measure across pond Given an equilateral field containing 10 acres and path inside all round it 10 feet wide how many acres would be left In 20a 3r 30p Derbyshire acres how many statute acres And in 24a 2r 18p statute how many Derbyshire Explain the meaning of backset intermediate foreset and bench mark VIL-Cijc 9rt of Construction -All drawings to be neat hand-sketches to scale Describe Portland cement and its uses Describe the purpose and principle of mixing in cast iron State the purpose and uses of concrete