Calendar: 1883-1884 Page 670

י LOTH WO Κ Ε RS י SCIENCE EXHIBITION acceleration Indicate lie course of reasoning upon whirl your calculation is based Distinguish between stable unstable and neutral equilibrium closed book stands on its edge on an inclined plane with its leaves in vertical planes Find the relation between the height and length of the plane and the form of the book when it is just on the point of falling over vessel in the shape of pyramid feet high and with base feet square is tilled with water Find the pressure upon the base and account for its being greater than the total weight of water in the vessel What volume of distilled water must be added to pint of liquid of specific gravity 52 in order that the specific gravity of the mixture may be 08 Describe the construction and explain the action of the mercurial barometer If layer of water one inch deep be poured upon th surface of the mercury in the cistern of barometer how will the difference of level between the surface of the mercury in the tube and that in the cistern be affected What would be the effect of causing piece of iron to float in the mercury of the cistern Explain the action of the common pump pump is used to raise liquid whose specific gravity is I8 What is the greatest height which the barrel can have when the barometer stands at 29 inches the specific gravity of mercury being 13 IV-$fat Describe an apparatus for showing the different ex- pansibility of diilerent metals when heated What is meant by the hygron etric state of the air Explain how it is determined by Daniell'8 or bv Kegnault's hygrometers