Heat for Advanced Students |
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Page 10
... 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 , being careful to note whether this ...
... 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 , being careful to note whether this ...
Page 12
... observation , at the same time noting the temperature of the air near the Barometer . The necessary corrections to be applied will be explained in Chapter II . EXPT . 6. After having determined the reading of the thermo- meter , when ...
... observation , at the same time noting the temperature of the air near the Barometer . The necessary corrections to be applied will be explained in Chapter II . EXPT . 6. After having determined the reading of the thermo- meter , when ...
Page 21
... observed temperature . As , however , the theory of their action depends on certain laws which will be developed later , their considera- tion is deferred for the present . ( See Chapter V. ) SUMMARY The term " temperature " is used to ...
... observed temperature . As , however , the theory of their action depends on certain laws which will be developed later , their considera- tion is deferred for the present . ( See Chapter V. ) SUMMARY The term " temperature " is used to ...
Page 22
... observed . A thermometer with an arbitrary scale of equal parts reads 14.6 in melting ice and 237'9 in water boiling under standard pressure . Find the Centigrade temperatures indicated by the readings 971 and 214'0 on this thermometer ...
... observed . A thermometer with an arbitrary scale of equal parts reads 14.6 in melting ice and 237'9 in water boiling under standard pressure . Find the Centigrade temperatures indicated by the readings 971 and 214'0 on this thermometer ...
Page 25
... observed barometric height , h , by ( 1 - at ) . Ac- cording to Regnault a = ' 0001802 ( p . 81 ) . 2. Correction for Expansion of the Scale , which is supposed to be correct at o ° C. - The true distance between two marks on a scale ...
... observed barometric height , h , by ( 1 - at ) . Ac- cording to Regnault a = ' 0001802 ( p . 81 ) . 2. Correction for Expansion of the Scale , which is supposed to be correct at o ° C. - The true distance between two marks on a scale ...
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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.