Calendar: 1890-1891 Page 782

CXX ENGINEERING DEPARTMENT 13 Construct pentagon of IV' side and on each side of it as base construct similar pentagon 14 Draw soipe three or four revolutions of single thread screw and of 7"-thread the pitch in each case being 1" and the diameter 4" XI -Cibil Engineering THIED YEAR Drawings of the Tyne Piers previously prepared Diagrams of strains on wrought iron girder 120 feet span feet deep Distributed load 130 tons Also arrange- ment of top and bottom booms taking tons per square inch for iron in compression and tons in tension previously prepared State the conditions that require to be observed in selecting Gathering Ground for the water supply of district and the calculations that have to be made to provide storage against periods of drought What geological form- ations yield the best water Make sketches showing the connections of water-closets sinks baths etc with the pipes and drains connecting with the main sewer Describe how house drain should be laid and tested Explain the principles on which the sizes and gradients of sewers are calculated Sketch in plan and section an arrangement of sewers manholes lampholes ventilators etc for street with two branch sewers joining it Under what conditions may sewage be discharged un- treated into the sea or tidal estuary State the conditions under which sewage can be best applied to land both from sanitary and agricultural point of view Show by sketches how filters for water-works are con- structed and give the volume of water that can be passed with efficient filtration