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breannagrd4855
17.06.2020 •
Physics
Mention 4
applications of thermal expansion
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Ответ:
Explanation:
The thermal expansion properties of liquids and metals are used in thermometers of many types. The liquid in a bulb thermometer expands to provide indication on a calibrated scale. Thermal expansion of a metal coil is used in dial thermometers and in thermostats of many kinds.
The thermal expansion of hot gas drives the cylinders or turbines in combustion engines, jet engines, and thermal cycle motors.
Thermal expansion of metal relative to glass can help remove a stuck jar lid. Similarly, machine parts can be expanded by heating to facilitate assembly or disassembly.
The expansion of warmer air in the atmosphere gives rise to updrafts and thermals that can be used by birds and bugs and people for gaining altitude. The expansion of air in the envelope of a hot-air balloon drives its lift as well.
Ответ:
Bonjour,
Ma maison
Voici ma "maison".
Elle a été construite en "brique".
On peut trouver une "salle de bains" et une "chambre à coucher".
Dans la cuisine il y a une "bouteille de gaz".
Dans le salon il y a une "table centrale".
Dans la salle de bains il y a une "éponge"
et dans la chambre à coucher il y a aussi un "drap".
J'aime bien ma maison.