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  Item Reference: KCLCAL-1887-1888-678

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682 APPLIED SCIENCE the foot of mountain Three-fourths of the air was taken out of one of the globes which was then found to have lost grammes in weight the temperature of the air at the time bring 20 The same globes were afterwards taken to the top of the mountain and treated in similar manner when the 1088 of weight was found to be grammes the temperature of the air being-5 Compare the heights of the barometer at the two places Shew also how to determine roughly the height of the mountain from these observations Describe some method of determining accurately the co-efficient of linear expansion of metal bar Define the hygrometric state of the air Explain exactly how you would proceed to find the hygrometrie state of the air by Regnault's hygrometer What advantage does this instrument have over DanielTs hygrometer What is meant by the specific heat of substance mass of 200 grammes of substance is heated to temp ×– tore of 100 and then plunged into 500 grammes of water eon tained in copper vessel whose mass is 130 grammes and specific heat 093 The temperature of the water before the immersion of the hot substance is 10 and after the im mersion 13C8 Determine the specific heat of the substance 10 Explain the meaning of the terms latent heat of steam 4latent heat of ice Illustrate by means of examples the modes of determining the values of these two latent heats and deduce the necessary formulae SECOND AND THIRD YEARS stationary engine of 96 horse pwer is employed to draw load of 12 tons up an inclined plane 300 foet in vertical height and 800 feet in length the resistances are 811 per ton Determine the maximum velocity at which the load can be pulled up the incline Two 8m00lh small pegs are in the same horizontal line feet apart and uniform rod 12 feet long is placed over one
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