Calendar: 1890-1891 Page 768

cvi ENGINEERING DEPARTMENT SECOND AND THIRD YEARS Define speoific heat Explain how to determine the specific heat of solid by the method of mixtures י Describe Manometer and the method of using it to determine the coefficient of expansion of air under constant pressure Explain the meaning of the statement The mechanical equivalent of heat is 1390 foot-pounds Express its value in centimetre-gramme units when water and when lead specific heat Ό314 is taken as the standard substance Describe an accurate method of comparing the intensities of two sources of light What is real image and what is virtual image of an object Explain and illustrate by sketch the formation of one of each kind Explain how to determine the angles between the faces of crystal or of prism Explain the character of the spectrum from glow lamp and from glowing gas In what respects do these spectra differ from one another Explain how bar magnet may be made to produce an electric current in wire near it flat circular coil of wire is caused to rotate about an axis which is vertical diameter of the circle Explain any electrical effect which may be induced in the wire by the earth's magnetic action 10 When copper disc is made to spin about an axis in its own plane between the poles of an electro-magnet explain the cause of the resistance to the motion of the disc when the magnet is set in action FIRST YEAR What is meant by the pressure at point in fluid cubical vessel with vertical sides each 100 centimetres