Calendar: 1881-1882 Page 672

APPLIED SCIENCES 673 Sketch sections of three iron girders 12 inches deep cast rolled and built and explain the differences of form Sketch timber roof truss of 20 feet span pitch 45 degrees showing and explaining what it carries 10 Sketch simple timber arch made of deals not cut to curve although set vertically 11 Sketcl an iron lattice girder and explain 12 Why is it expedient to cover with bed of concrete the ground under dwelling house IX tologp atrti fHtiuralogi SECOND YEAR Describe river valley and the deposits which may be found in it using the proper terms Explain the nature of Artesian wells describe the geology of the neighbourhood of London in relation to those which have been made in the metropolis Explain the production of caves Give the succession of strata in the carboniferous formation of South Wales Name the principal genera of ferns which are found in the coal measures Under what conditions is gold found in Australia What are the minerals which compose diorite or greenstone Describe orthoclase felspar How are basaltic rocks classified FIRST YEAR Define the term mineral as distinguished from that of rock Mention the simple forms of the cubical system The weight of mineral in air is 5161 grains and in water is 4325 grains State its specific gravity υ υ