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What is the connection of all exposed non-current-carrying metal parts to the earth?
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Does a 12 Volt electrical connection underwater have to be waterproof or will the DC short out?
It would work for a short period of time. Then the exposed metal will corrode and eventually the connection will open. If the the water is salt water this could happen in as little as a few mins.
Is beryllium alkali metal or alkaline earth metal?
It is an alkaline earth element
Is barrium a metal or a non metal?
it is a alkaline earth metal
What kind of metal is radium?
Yes. Radium is actually considered an alkaline earth metal. Its colour is nearly pure white, but when exposed to air, it turns black. Radium is also extremely radioactive. A link is provided to the Wikipedia article on radium.
Is magnesium a non metal or metal?
metalIt is an alkaline earth metal and the eighth most abundant element in the earth's crust by mass
Is praseodymium explosive?
No, it is a "rare earth metal". It oxidizes slowly when exposed to air, crumbling to a green colored dust.
Why the earth pointer is big in plug?
The earth pin in a plug is bigger than the other pins so that it makes contact first. This ensures that any exposed metal on the device will be connected to earth before any live pin is connected. Therefore if there is any fault in the wiring it will not cause the exposed metal parts to be live, as a protective device (such as a circuit breaker or fuse) will be able to operate.
Does a 12 Volt electrical connection underwater have to be waterproof or will the DC short out?
It would work for a short period of time. Then the exposed metal will corrode and eventually the connection will open. If the the water is salt water this could happen in as little as a few mins.
What happen to a metal exposed to an acidic mixtures?
acidic mixture or metal
Is holmium a metal or non metal?
Holmium is a rare earth metal.
Is there a difference between full metal jacket rounds and total metal jacket rounds for a gun?
Yes. FMJ, the base is exposed. TMJ no lead exposed.
Which metal turns black when exposed to light?
Bromine
Forms salt when it gains an electron from a metal?
exposed
Should a microwave be replaced when exposed to a metal object?
no
How do you check your ground connection on a motorcycle?
Check your connection at the battery and where it bolts to the frame. Make sure they do not have corrosion or paint stopping a metal to metal connection. If all is good, you are grounded.
How long would it take for oxidation to occur on exposed car body metal?
If exposed to the elements, minutes.
Does metal furniture rust easily?
If untreated and left exposed to the elements metal furniture will rust.
