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An expansion tank, also known as "overflow bottle", is also used in the cooling system of most internal combustion engines, to allow the coolant, such as antifreeze, and the air in the system to expand with rising temperature and pressure. The tank is also called a "coolant recovery tank", since it prevents venting and permanent loss of coolant ...
As the coolant system pressure increases with a rise in temperature, it will reach the point where the pressure relief valve allows excess pressure to escape. This will stop when the system temperature stops rising. In the case of an over-filled radiator (or header tank) pressure is vented by allowing a little liquid to escape.
Only the fixed parts of the engine, such as the block and head, are cooled directly by the main coolant system. Moving parts such as the pistons, and to a lesser extent the crankshaft and connecting rods, must rely on the lubrication oil as a coolant, or to a very limited amount of conduction into the block and thence the main coolant. High ...
For example, 2010 EPA emissions requirements require full DEF coolant flow within 70 minutes. [18] [19] In Europe, Regulation (EC) No 692/2008 [20] specified in Annex XVI point 10 that DEF from a frozen tank at a core temperature of −15 °C (5 °F) must become available within 20 minutes when starting the engine at −15 °C (5 °F).
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The three teams for the 2025 NBA All-Star Game were selected Thursday night on TNT by the "Inside the NBA" crew of Shaquille O'Neal, Kenny Smith and Charles Barkley.
Kardzali Reservoir in Bulgaria is a reservoir in the Rhodope Mountains. Some reservoirs such as this in Argos, Peloponnese are made for recreational purposes, rather than storing fresh water. A reservoir ( / ˈ r ɛ z ər v w ɑːr / ; from French réservoir [ʁezɛʁvwaʁ] ) is an enlarged lake behind a dam , usually built to store fresh water ...
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