Calendar: 1861-1862 Page 505

506 APPLIED SCIENCES Find the amount of work which fly-wheel whose rim weighs 5000 lbs and whose radius is feet revolving once in second will do before it stops neglecting the weight of the 3pokes If the specific gravities of silver and platinum are 10 and 22 and their prices shillings and 30 shillings an ounce respec- tively find the value of one ounce of mixture whose specific gravity is 16'5 10 AVhat is meant by the whole pressure of fluid on surface and what is the centre of pressure Find the whole pressure on triangle of feet base and feet height placed vertex downwards with its base at the surface of water density 62-5 lb to the cubic foot 11 Reduce the volume of 110 cubic inches of gas at tempera- ture 90 and pressure 28 to what it would be at temperature 40 and pressure 30 absolute zero" being 460 12 If the gas is collected over water and if the pressure of aqueous vapour at 90 is inches what is the reduced volume of dry gas in the last question -Statu cointtru Dhaw regular heptagon on base 2" long and divide it into equal parts by lines drawn through one angle The difference between two lines is 16" and their mean proportional is 3" determine the lines Circumscribe circle radius 8" with triangle whose sides are in the proportion of 2J tower is 28 feet high at what distance from its base must man stand so that the angle subtended by the tower at his eye which is feet above the ground may be 58 Draw circle with radius of 6" and divide it into three equal areas by circles concentric with it Two lines make an angle of 54 draw two circles to touch both lines and also one another one circle is to have radius of If