Calendar: 1874-1875 Page 575

applied sciences 575 heat of solids substance weighing 200 grammes at tern- perature of 97 is mixed with 500 grammes of water at 20 and the temperature of the mixture is 25 find the specific heat of the substance first neglecting the heat absorbed by the vessel containing the water second allowing for the heat ab- sorbed assuming that the vessel weighs 300 grammes and that its specific beat 095 Explain the meaning of the terms unit of heat mechanical equivalent of beat Describe Joule's experiments for deter- mining the mechanical equivalent of heat -CijemtStrg See Department of General Literature and Science VI -Manufacturing Srt antf fHaci tnerj SECOND YEAR Give the arrangement of the pumps for raising water from mine and explain fully the construction of the ordinary Cornish Engine applied for this purpose Give the general construction of the double Cylinder Engine at the Kingston Water Works and compare this class of Engine with the single acting Cornish Engine In taking an Indicator figure what are the precautions to be taken Illustrate by sketch the result shown by tbe figure if these are neglected Describe the process of forming and forging the coils for "Woolwich Gun '' What details have to be attended to in laying out the switches and crossings for railway Describe Wild's switch aud show its advantages over others FIRST YEAR How are mouldings in wood produced by machinery Make sketch of the cutters Describe the marble moulding machine and the toois employed