Volkswagen Polo Service & Repair Manual: Physical Principles
| The four known states of water also apply to air
conditioning system refrigerants. |
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| When water is heated in a vessel (heat absorption), water
vapor can be seen to rise. If the vapor is further heated
through heat absorption, the visible vapor turns into invisible
gas. The process is reversible. The warmth is extracted from
gaseous water, vapor forms first, then water and then ice. |
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Heat Transfer
| Every substance consists of a mass of moving molecules. The
fast moving molecules of a warmer substance give off some of
their energy to the cooler and thus slower molecules. As a
result, the molecular motion of the warmer substance slows down
and that of the colder substance is accelerated. This process
continues until the molecules of both substances are moving at
the same speed. They are then at the same temperature and no
further heat exchange takes place. |
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The boiling point given in tables for a liquid is always
referenced to an atmospheric pressure of 1 bar (14.5 psi). If
the pressure acting on a fluid changes, its boi ...
Other materials:
Run-Flat Tire, Overview of a PAX Tire
PAX tires involve specially developed system that exhibits
the following differences in comparison to conventional tires:
Pax Tires with Supporting Ring
–
-I- PAX tires with air
...
Paint System for Plastic Parts
This universal painting system enables you to safely and
simply paint all plastic parts which can be usually found on the
exterior. (Plastic types: PP, EPDM, ABS, PC, PPO, PBTP, UP-GF,
PA, PVC, R-TPU, PUR) This technical reference material does not
apply ...
EU Tire Label, Categories
Rolling Resistance. Refer to
→ Anchor
Wet Grip. Refer to
→ Anchor
Noise Emission. Refer to
→ Anchor
Rolling Resistance ...
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