Heat for Advanced Students |
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Page 4
... interval between them into a convenient number of divisions or degrees . FIG . 1. - Mercury Thermometer . The methods used in measuring temperature , and the precautions to be adopted in construct- ing a thermometer , are well ...
... interval between them into a convenient number of divisions or degrees . FIG . 1. - Mercury Thermometer . The methods used in measuring temperature , and the precautions to be adopted in construct- ing a thermometer , are well ...
Page 10
... intervals , entering these in your observation book . The reading which the mercury meniscus finally gives may be taken as the true zero of the thermometer . Hence deduce the error of the instrument supplied , and write this down ...
... intervals , entering these in your observation book . The reading which the mercury meniscus finally gives may be taken as the true zero of the thermometer . Hence deduce the error of the instrument supplied , and write this down ...
Page 14
... interval of temperature between the boiling and freezing points of water is equal- ť x 180 100 On the Centigrade scale , to 100 – 0 = 100 ° . 99 99 Fahrenheit Réaumur 99 99 99 99 99 1 ° × 9 5 = 212-32 180 ° . 80-0 = 80 ° . Consequently ...
... interval of temperature between the boiling and freezing points of water is equal- ť x 180 100 On the Centigrade scale , to 100 – 0 = 100 ° . 99 99 Fahrenheit Réaumur 99 99 99 99 99 1 ° × 9 5 = 212-32 180 ° . 80-0 = 80 ° . Consequently ...
Page 74
... intervals whilst the tubes are being filled to within about two inches from their ends . The tubes T1 and T2 are then set upright , with the tube DE horizontal . The mercury surfaces should give equal readings on the scale ; if they do ...
... intervals whilst the tubes are being filled to within about two inches from their ends . The tubes T1 and T2 are then set upright , with the tube DE horizontal . The mercury surfaces should give equal readings on the scale ; if they do ...
Page 85
... interval at 4 ° C. Expansion of Liquids above their Boiling Tempera- tures and below their Solidifying Temperatures . - Pure liquids , particularly pure water , may be cooled considerably below their solidifying temperatures without ...
... interval at 4 ° C. Expansion of Liquids above their Boiling Tempera- tures and below their Solidifying Temperatures . - Pure liquids , particularly pure water , may be cooled considerably below their solidifying temperatures without ...
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Common terms and phrases
absolute temperature absorbed adiabatic air thermometer apparatus aqueous vapour atmospheric pressure body boiling point Boyle's Law bulb c.cs calorimeter centimetre coefficient of expansion coefficient of linear compressed condensed constant pressure contained cooling copper corresponding cubical curve cycle cylinder density Describe determined difference distance entropy equal equation experiment EXPT external filled flask freezing point galvanometer gases given glass tube gram gram of water heat engine Hence high temperature hydrogen hygrometer increase initial isothermal kinetic energy latent heat latter length Let us suppose linear expansion liquefied liquid Lond mass means measured melting point mercury thermometer metal method mixture molecules motion obtained paraffin wax passing perature perfect gas performed piece piston placed produced Q₁ quantity of heat Regnault's represents saturated vapour solid solidifying specific heat steam substance T₁ T₂ tempera thermal radiations thermopile therms ture vapour pressure velocity vessel W₁ whilst
Popular passages
Page 272 - It is hardly necessary to add, that anything which any insulated body, or system of bodies, can continue to furnish without limitation, cannot possibly be a material substance; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner Heat was excited and communicated in these experiments, except it be MOTION.
Page 368 - It is impossible by means of inanimate material agency to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects.
Page 341 - It is impossible for a selfacting machine, unaided by any external agency to convey heat from one body to another at a higher temperature, or heat cannot of itself pass from a colder to a warmer body.
Page 271 - Ib. of icecold water to boil) could have been furnished by so inconsiderable a quantity of metallic dust ? and this merely in consequence of a change of its capacity for Heat...
Page 306 - Explain why the specific heat of a gas at constant pressure is greater than the specific heat at constant volume.
Page 341 - It is impossible for a self-acting machine, unaided by any external agency, to convey heat from a body at a low to one at a higher temperature;" or " Heat cannot of itself (that is, without the performance of work by some external agency) pass from a cold to a warmer body.
Page 287 - ... the science of thermodynamics." When work is transformed into heat, or heat into work, the quantity of work is equivalent to the quantity of heat.
Page 435 - ... inch Ib. sec. units is -0012 and the latent heat of steam is 536. Find the temperature of the under side of the heating surface. Explain carefully why this is not the temperature of the furnace. 7. Define the thermal conductivity of a substance and describe some way of measuring it. 8. How many units of heat will be conducted in an hour through each square centimetre of an iron plate 0'02 cm. thick, its two sides being kept at the respective temperatures of 0°C. and 50° C., the mean conductivity...
Page 287 - With what velocity must a lead bullet at 50°C. strike against an obstacle in order that the heat produced by the arrest of its motion, if all produced within the bullet, might be just sufficient to melt it?
Page 115 - Again, at constant volume, the pressure of a given mass of gas is proportional to the absolute temperature (p.