Calendar: 1898-1899 Page 783

ENTRANCE EXHIBITIONS cli cylindrical piece of wood length fee radius of section inches and specific gravity floats in water witl its axis vertical Find the whole and resultant pressures on its 811 rface heavy particle is tied to one end of string whose other end is fixed The particle revolves in horizontal plane whose vertical 6tance below the fixed end of the string is feet Find the number of revolutions per second 10 State the laws of statical friction mass of lbs rests on rough table whose vertical height is feet from the ground and is attached by string passing over smooth pulley to mass of lbs hanging vertically The mass of lbs is allowed to fall from the edge of the table to the ground and lb mass is observed to come to rest after passing over 15 feet from rest find the co efficient of friction IV 9I 110ir0 wooden cylinder of density 09 floats vertically in vessel containing water and oil of turpentine density 085 Find the ratio of the length of the cylinder above and below the line of junction of the liquids when it is completely immersed Describe Nicholson's hydrometer and explain how it may he used to find the specific gravity of solid the specific gravity of liquid that has no chemical action on the hydrometer Give numerical example of each case In perfect gas -7p is said to he const int Explain the meaning of this statement and describe how you would test its truth in the case of air Describe the construction and action of an aneroid barometer Explain how the barometer is used in determin- ing heights of mountains ft Describe method of determining the coefficient of absolute expansion of mercury Describe an experiment by which water may he frozen by it8 own evaporation State roughly how much water