Calendar: 1899-1900 Page 781

FACULTY OF SCIENCE CXX1X distance from the base to the axis is feet find the surface of the ring traced out by the revolution of the triangle about the axis Determine the equation to the line of resistance in river wall of stone specific gravity 25 the thickness of which is feet at the top and feet at the bottom and which sustains the pressure of water on its vertical face when the surface of the water is on level with the top of the wall Determine also where the line of resistance cuts the base when the height of the wall is 12 feet In the third system of pulleys with pulleys each inches in radius on rough axles each an inch in radius find the relation between the power and the weight when the power is just on the point of raising the weight sin φ 15 10 Draw diagram of forces for and find the strains on the pieces of the roof ABC whose total load is 600 lbs weight where the pitch of the roof is 60 and where AF and FB are equal and each inclined at an angle of 15 to the rafter AB