Calendar: 1889-1890 Page 767

ENGINEERING DEPARTMENT 121 designing ft double beat" pump valve Show how the areas of the water ways and the weight of the valve are to be computed Describe with sketches the alterations made by Watt in order to convert single acting into double acti engine Define the "lap" of slide valve and explain your answer by reference to sketch Account for the difference in the working of two engines one of which has lap on the steam side of this valve and the other has not What is the object of giving "lead" to the slide valve Sketch Stephenson's double eccentric and link motion Name the general parts and explain its action upon the slide valve Explain fully the method of applying the indicator to horizontal condensing engine Sketch section through the indicator and show how the power of the engine may be calculated from the indicator diagram Compare the pressure on the longitudinal seams and the transverse seams in cylindrical boiler and show how pro- vision is made in the construction of them for resisting these pressures 10 Describe the usual methods of indicating the pressure of steam in boiler and the methods of relieving it when required FIRST YEAR Sketch the general arrangement of the machine for cutting staves of barrel showing clearly how the saws are placed with respect to each other Describe the machine used at Woolwich Arsenal for cutting dove-tails making such sketches as may be necessary to illustrate the description Describe the process of preparing clay for making bricks and explain how they are dried and fired Sketch and describe the machines used forgrindirg and polishing glass