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The two polythene rods will repel each other. This is because when the rods are rubbed, they acquire a net positive charge which causes them to repel each other since like charges repel.
No. They are powdered metal.
yes very :)
Yes..look up alumaloy welding rods
Connecting rods (con rods) are typically made from either steel or aluminum alloy due to their high strength and stiffness requirements in internal combustion engines. Steel connecting rods are commonly used in high-performance and heavy-duty engines, while aluminum connecting rods are found in lighter-weight and more fuel-efficient applications.
The polythene rods will repel each other due to the transfer of electrons during the rubbing process. Both rods will become negatively charged from gaining electrons and like charges repel, causing the rods to push away from each other.
Rust should generally not be an issue in normal indoor household environments. In rooms where uncontrolled moisture and humidity where rust a matter of concern, you can either avoid the problem altogether by using curtain rods made of non-rusting materials such as aluminum, wood, or copper. If iron or steel rods are used, they should be galvanized, zinc-coated, or aluminum coated.
Antenna is made in China. Frame is a soft pliable plastic and rods are light aluminum of similar thickness as a soda can.
In the metallurgy of aluminum, graphite rods are used as electrodes in the electrolysis process to extract aluminum from its ore. Over time, these graphite electrodes degrade due to the harsh operating conditions, which include high temperatures and chemical reactions. Periodic replacement is necessary to maintain efficient production and ensure proper functioning of the electrolysis cells.
Anode rods are used in RV and home hot water heaters. Aluminum tanks are not required to have an anode rod where steel tanks usually are.
The capacity of the rod depends on what it's made of, how it is installed, its length and mid-support. If you are attaching a rod to the rod that's currently installed, that will add stress to the first rod, so make sure you know the capacity of the original closet rod. Rods that are anchored in the studs are more sturdy. Use solid hardwood rods. Plastic and aluminum rods, often sold in doubling kits, aren't very study.
They do not expand equally, therefore the aluminium might crack the concrete on a hot day (or vice versa) due to this difference in expansion. i.e steel rods can be used to reinforce concrete because both materials expand equally.